IB Roof

Flat Roofing Prices: IB Roof Installation Costs in MA, RI, CT and NY.

Posted on by Leo - CoolFlatRoof

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Estimated Roof Price: $0

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When it comes to replacing your flat roof, you need to think long-term. Getting a cheaper roof, such as EPDM Rubber, may be appealing at first, but if you are looking for a long lasting, durable, leak free, energy efficient and low maintenance roofing membrane, an IB PVC Roof is the best choice.

IB is a premium product and costs more than most other flat roofing materials. Here we review flat roofing cost structure and, IB Roof prices and packages that we offer in Massachusetts and surrounding states ( CT, RI, NH, ME and VT).

Flat Roof Replacement Cost: Residential and Commercial

At some point, there comes a time when flat roof patches stop working and it needs to be replaced. Installation price from every roofing company also includes that company’s overhead or cost of running the business. An established roofing company should be fully insured.

This includes adequate Liability and Worker’s Comp Insurance. If, for example, you get a very low bid, consider that the bidder might not be adequately insured or have no insurance at all. If that is the case and you hire such a contractor, you will be responsible for any damages or injury claims that may occur.

Flat roofing - Lexington, Mass.

Our general pricing for flat roof replacement works in the following manner:

Residential flat roofs are priced at $675 per square for a simple roof, with no existing roof removal. This includes 50-mil IB Roof membrane, 1/2 inch foam insulation with 2 r-value, perimeter pressure-treated wood nailer and half-roll membrane around the roof edges for wind-uplift prevention.

Roof attachment using heavy-duty screws and barbed plates, 6 inches O.C. along the perimeter and 12 inches O.C. in-field. All required roofing parts and accessories are included.

flat roof home

Generally, for a 1000 sq. ft. residential home, your cost should be around $6750 for an average (simple) roof. If you would like to upgrade the membrane type or add more insulation, this will slightly increase your price. Please note: For all residential installations, all IB roofing membranes come with a lifetime residential warranty, therefore there is no need to upgrade from 50 to 80-mil product, as both will perform equally well in protecting your roof from the elements, and will remain water-tight throughout their service life and beyond.


Average Flat Roof Costs in US Average Flat Roof Costs in US
Rubber Roof
Rubber
$7766
PVC Roof
IB PVC
$9095
TPO Roof
TPO
$8415

See costs in your area Start Here - Enter Your Zip Code



Commercial flat roofs are priced at $600 per square for roofs over 25 squares (2500 sq. ft.) The price difference from residential roofs is due to ‘economy-of-scale’ factors and lower per-square ‘setup’ and insurance costs.If your commercial roof is around 50 squares you can expect a $30000 price range.

Use our interactive roof price calculator to estimate the cost of you roofing project. You can choose different roof options and difficulty level. You will get ‘quotes’ for an IB roof, as well as other roofing products, and approximate energy-savings derived from using an IB roof.

Please Note: All prices described above are assuming an ‘average’ roofing project and may/will change depending on your roof’s condition and scope of work required. The price may change in either direction, and will be determined on a case-by-case basis.



IB Roof Packages and Prices in New England

We are a premium roofing contractor, and we do not compete with other roofing companies solely on price. Our roof packages are priced according to the superior quality, warranty and customer service we provide.

All packages described below include roof installation in accordance with manufacturer’s specifications and state/local building codes. They also include the cost of building permits, material warranty and our labor warranty. Prices below do not include tear-off of the existing roof, as that usually varies a lot from one flat roof to another. The cost of a tear-off is determined on a case-by-case basis, when we perform a roof inspection.

Please refer to our Residential roofing and/or Commercial roofing sections to see the available material / color / membrane thickness options available for your particular roof.

Package 1 – 50-mil white residential IB Roof with Lifetime warranty:

Our basic and the most popular roof package, includes 50-mil white IB Roofing membrane with all necessary trim, flashings and accessories such as drip edge, air-vents, inside/outside corner flashings, drains, etc., and 1/2 inch fanfold Styrofoam insulation.

Cost of this package starts at around $675 per square (100 sq. ft.) of roof area.



Package 2 – IB Traditions flat Roof – Architectural Shingles Pattern imprinted onto the membrane:

IB Traditions was created specifically for low-slope roofs with aesthetics in mind. They offer the beautiful look of architectural shingle combined with proven reliability of an IB roofing membrane to give you decades of leak-free performance and curb-appeal. IB Traditions come in three color options: Sierra Vista ( beige / brown ), Stony Ridge (grey) and Mountain Spruce (green). To maintain a consistent shingles look, all IB Traditions installation feature hand-welding of all seams, and use special accessories / flashings designed to match the aesthetics of IB Traditions.

Cost per square for IB Traditions is $775-825, and includes 1/2 insulation and all necessary trim and flashings.

Package 3 – 80-mil white residential IB Roof with a Lifetime warranty:

Includes 80-mil white membrane, 1/2 insulation and all necessary trim / accessories / flashings. Cost per 1 square is $800. If you are looking for an 80-mil Color IB roof, there are six standard colors available and $850 per square. For custom colors the minimum order must be 100 squares ( This is the requirement of IB Roof Systems, and we have no control over it).

Are you excited about an IB Roof?

Fill out our Roofing Estimate Request form and indicate which IB product you are most interested in, as well as details about your roof. We will contact you very soon after receiving your request, and we will work with you to provide the best roofing system available!


Average Flat Roof Costs in US Average Flat Roof Costs in US
Rubber Roof
Rubber
$7766
PVC Roof
IB PVC
$9095
TPO Roof
TPO
$8415

See costs in your area Start Here - Enter Your Zip Code



Flat Roof Installation

Posted on by Leo - CoolFlatRoof

Flat roof installation sequence and the way different components are put together can oftentimes be quite confusing. We also get many questions about particular aspects of how roof details work in different situations. Our Roof Installation Guide will answer these questions and demonstrate the step by step process of installing an IB PVC flat roofing system. We welcome any questions you may have – you can ask them in the comments section at the end of this article.

IB PVC Flat Roof in Massachusetts


Average 1500 s.f. Roof Prices in US

Asphalt Shingles
$5718
Flat Roof
$9869
Metal Roof
$14711

See costs in your area Start Here - Enter Your Zip Code



Installing a flat roof (PVC single ply roofing membrane in this case) can be a pretty straight forward process, or a very confusing endeavor, because each component must be installed in a particular order. Otherwise the system may not work the way it should. Of course there is an installation spec manual from IB roofs, which we always keep handy, and actually had to use once or twice. However, this manual only shows particular flashing detail or a general way of how the membrane and insulation ought to be installed. It can’t possibly cover all the specifics of the roof installation that come up in the field.

Flat roof installation – prep work – insulation, wood nailer and penetration flashing

Lets start looking at the prep work, and the order in which things actually happen:

PVC Roofing is a very durable and long lasting flat roofing material. However it should never be in direct contact with any oil and asphalt (also oil) products. Since most other roofing materials are made with oil or asphalt, we always install a protection layer between PVC membrane and either old roof or the roof deck. We usually use insulation to protect the membrane from being in contact with asphalt and also from deck fastener punctures. Roof insulation also serves its primary purpose of improving thermal insulation properties of your roof.



Before we install insulation though, we first install a perimeter wood nailer that serves as a rigid nailing base for the PVC-coated drip edge. Once wood nailer is in place, we lay out the insulation sheets and fasten them to the roof deck, using FM Global 60 or 90 mph wind rating standard – 8 or 10 plates + fasteners per 8×4 feet insulation board (although this is unnecessary, since it is a mechanically attached system). Once the wood nailer and insulation are in place, we install one or more rows of perimeter half sheet, which is a 3 foot wide roll of membrane, vs a standard 6 feet width for field rolls. The perimeter half sheet is installed to prevent wind uplift, and is fastened either 12″ o.c. or 6′ o.c. (for high wind areas).

Flat roofing – tapered insulation


Average 1500 s.f. Roof Prices in US

Asphalt Shingles
$5718
Flat Roof
$9869
Metal Roof
$14711

See costs in your area Start Here - Enter Your Zip Code



If there is a ponding water situation, the fastest and most cost-effective way to solve the ponding is to install a so called tapered insulation system, which creates slight roof pitch, which helps divert the water in a required direction and improves roof drainage.

Tapered insulation is basically the same thing as extruded PolyISO insulation with a fiberglass facing. The only difference is that tapered insulation is wider along one edge and narrower along the other. A tapered insulation system can have a roof slope ranging from 1/8″ per one foot run, to 1/2″ rise per one foot run or more.

Flat roof installation – mechanically attached assembly

A reinforced PVC single ply roof allows installers a choice of installing the roof in a fully adhered assembly (sheets of membrane glued to the insulation) or a mechanically attached assembly, where each sheet or roll of the roofing material is screwed to the roof deck substrate with heavy duty, corrosion resistant fasteners, and barbed plates. Each roll is screwed to the roof deck on one side, and then the next roll, overlaps a row of screws, and is welded to the first roof, right next to the screws. Then the process continues in the same manner, until the whole roof is covered by the membrane.



As you can see in the roof installation picture above, the narrow roll of membrane is installed around the roof perimeter and wider rolls are in place, and are ready to be installed. However, before you get to this point, there is a lot of prep work that has to be done first, and the actual membrane installation is the easy part.

Normally, we use a 1/4″ tapered insulation system which raises roof level 1″ for every 4×4′ insulation piece.

Drip edge detail

As we mentioned the perimeter half sheet is installed along roof edges, and fastened on the inside with screws and plates – what is holding the half sheet along its outer edge? Well, this is the question that homeowners often ask me. The way IB PVC roof system is designed, allows us to attach the outer edge either directly to the drip edge or run in over the roof edge by a couple of inches, nail it to the fascia board and install a drip edge metal over the membrane.

Both ways are acceptable, but most of the time we use the second method – especially in high winds area. Once the roofing material is installed and flipped down, over the edge of the roof, we install 10 foot sections of 22 ga PVC coated galvanized or stainless steel drip edge, and fasten it to the deck with the roofing screws, either 12″ or 6″ o.c. Then we weld a 5″ wide cover strip of the membrane to the roof and to the drip edge, to seal the screw holes and bake the whole detail water-tight.

Check out our video on how drip-edge metal is installed:

Once the 10-foot sections of drip-edge are installed, the joins are sealed using an aluminum tape and a PVC patch to mack the joint water-tight and protect the patch from metal expansion and contraction. After the joints are complete, the cover tape is welded to drip edge starter and the roof itself, and its now time to do the rest of the roof.

As a side note, there are many options for drip edge detail. Although the most used drip edge is the 2 or 3″ wide face, white starter, you can also choose it to be as much as 8 or more inches wide, as well as in gravel stop style (if you need to divert the water flow or prevent it from going over the edge of the roof.

Gravel stop drip edge has a 1″ bump-out, which stops water from spilling over, and makes it run down the roof – toward a drain or a gutter. Drip edge comes in two colors – white and dark bronze, and also can be painted any other color with acrylic paint. IB roofs also offers 16 oz. copper drip edge, with PVC material adhered to the flange, and can produce any style drip edge, with different angles, kick-in or kick-out face and in various widths.

Flat roof installation – field sheets, roof penetrations and roof to wall termination:

After all edge detail is complete, we install the field rolls of membrane and all penetration flashings, such as pipes, drains, HVAC / Skylight curbs, roof hatches, chimneys, etc.



IB Roof Systems produces a wide variety of flashing accessories, which allow installers to quickly and easily flash almost any roof penetration. Since all roof components are made of PVC, they are all welded together, and the use of any adhesives or glues is completely eliminated, as well as most installation errors by roof mechanics.

All curb and up-the wall flashing is installed using a two-step process. First, the roof is terminated that the wall, and then a separate piece of membrane is installed up the wall and welded to the roof.

After the flashing is installed and welded to the roof, the inside or outside corner flashing is welded to make a permanent watertight joint.

All IB flashing accessories are made of 60-mil non-reinforced flashing membrane and can stretch to perfectly adhere to any shape of a penetration on the roof. Pipe flashings and drains have a reinforced flange to be welded to the roof.

Bellow is a video demonstrating the curb flashing installation around a skylight:

As you can see in the video, the roof penetration flashing is a very clean process, and a chance of a leak is minimal to none. Unlike flashing details on a rubber roof, where a membrane cannot and should not be terminated at the base of the curb, due to high possibility of a leak caused by adhesive failure, the hot air welding process used in sealing overlaps and seams on a PVC roof, eliminates leaks, as well as membrane pull-out caused by contraction of the roofing material in cold weather.

Special flashing details

IB roof spec manual does not cover all installation details, as in the real world you often run into situations where you have to “improvise”, while your roof must still be watertight. One such example is the ridge vent detail on flat / low slope roofs such as shed dormers. While many low slope roofs are considered “flat”, they were built as sloped roofs with ridge / soffit ventilation in mind. However, many roofing contractors that install EPDM rubber roofs, block the ridge vent opening completely to prevent roof leaks.

We’ve developed a special assembly method, which allows us to still use the ridge vent, and keep the roof watertight. We run our roof up-to the ridge opening, weld additional strip of membrane, install a 2×4 wood to raise the level off the roof, flip the strip of membrane back and wrap the 2×4 with it. This prevents wind driven water from penetrating the roof, and ridge vent + ridge cap is installed on top, 2 inches up.

As you can see, IB PVC roof can be adjusted to virtually any type of flat roof, and roof penetrations. We recommend that you check out more roof installation videos on our Roofing Videos channel on YouTube.

You can see more examples of flat roof installations that we have done all over New England: Roofing in Massachusetts and roofs in Connecticut. We provide residential roofing and commercial roof installation services in all New England states. However most of our work takes place in MA, CT and RI.

Also, if you have a flat roof deck that is leaking, check out our roof deck section, to learn more about IB roof installation on flat roof decks, patios and balconies, using special slip-proof roofing material called IB DeckShield.

Flat Roofing Insulation

Posted on by Leo - CoolFlatRoof

As of June 23, 2008, we now offer our customers a choice of using Recycled on New Poly-Iso insulation.

Benefits of using recycled insulation include instant and continuous financial benefits. Since we get recycled ISO board at a discount, we pass on the savings to you, and with more insulation for the same amount of money you would spend on a new ISO, you will continue to save money on your energy costs year round.

But that’s not all! Although ISO insulation is not “green” per-se, using recycled insulation is a green choice, since by reducing your energy consumption, you will contribute to the reduction of carbon monoxide emitted into the atmosphere. Moreover, by using recycled insulation, you save space in our nation’s landfills, another invaluable benefit to the environment.

Types of insulation we use:

By default we use a 1/2 inch fan-fold Styrofoam insulation, which is mostly used when there is already some insulation on the roof. Fan-fold insulation comes with 2-R value, so it will add some insulating value to the roof. It also acts as a separation barrier between the deck or old roofing material and IB membrane. Fanfold insulation is attached with heavy-duty screws and corrosion-resistant insulation plates. It is light-weight, features quick installation and is ideal for a roof layover. It is also the most economical option.

Another option you have is to use a common ‘new-construction’ and complete roof replacement choice of insulation – Poly ISO board, which comes in a wide range of sizes and features high R-values from 3 to 20-R. Sizes include 1/2, 1, 1.5, 2, 2.5, 3 and 3.3 inches and R-value is calculated using 6-R per 1 inch of insulation.

If drainage is a concern, ISO insulation comes in tapered design which has different thicknesses at each end, and is used to create pitch ( slope ) on a completely flat roof. Slope is usually directed toward drains or drip edges and diverts the water flow to where it can exit the roof.

Flat Roof Installation and Consulting

Posted on by Leo - CoolFlatRoof

Cool Flat Roof - full service roofing company. We provide installation and Consulting services
We are an Eco-Friendly, full service flat roofing company specializing in installation of Cool Roofing systems for a wide range of Residential and Commercial roofing projects. We carry all necessary General Liability and Worker’s Compensation Insurances, OSHA certifications, and are a Licensed IB Roof installer.

Installation Services

We offer a complete-package roof installation service, from pulling all necessary building permits, to coordinating with other contractors and service providers (such as utility companies, architects, etc.) involved in your roofing project. We specialize in Energy-Efficient flat roofing solutions for Residential flat roofs and Commercial / Restaurant flat roofs. We strive to provide our customers, with Eco-Friendly roofing solutions that are recyclable, and will help you conserve energy, as well as benefit environment.

Our installers and roof mechanics work safely, wear all necessary safety equipment and use state of the art installation tools and equipment. We pay top wages, and provide premium workmanship and services.

Installation Service Details:

For flat and low-slope roofing applications, we exclusively install IB Cool roofing single-ply membranes with up-to 25 years Commercial and Lifetime Residential warranties.

Unmatched Labor Warranty

While a standard labor warranty in the roofing industry (a minimum required by law) is the 2-year period, all our roof installations include a Labor warranty that matches the material warranty (i.e., 80-mil IB membrane has a 25 year material warranty, which we match with our 25-year labor warranty).

CoolFlatRoof Quality Promise: We are so confident in the quality of IB roofing systems and our installation, that we guarantee our roofs against any leaks. If the roof we installed ever leaks due to installation error, not only will we fix it, but we will also give you a check for $250.

Licenses and Registrations

    We hold all necessary State Construction Licenses and Registrations:

  • MA Home-Improvement Contractor registration (HIC) and Unrestricted Construction Supervisor License (CSL)
  • CT Home-Improvement Contractor registration (HIC) and Major Contractor Registration
  • RI Home-Improvement Registration and Special Commercial Roofing Contractor Registration


Consulting Services

Cool Flat Roof - full service roofing company. We provide installation and Consulting services
We offer roofing consultation services which include a complete analysis of your present roof condition, inspection of structural components, roof deck and roof insulation. We analyze your roof’s drainage situation, and identify whether you may need more insulation, drains / scupper, or other roof components installed to improve your roof’s performance and extend its service life. We will provide you with a complete report of what has to be done on your roof, and identify parts you may not need. We can also negotiate with your General Contractor and/or Architect on your behalf, to get you the right products/services, while including needed items, and eliminating unnecessary and costly ones. This will prevent future “change orders” and up-charges from your GC / Architect / Contractor, and save you money and frustration.


Our Customer’s Comments:

CoolFlatRoof installed an IB roof on a flat section of my house. They did an excellent job. I had problems for years with leaks and would hire someone to repair it, but after awhile it would leak again. It had never leaked since Leo and Alex put this excellent roof on my house. It also seems to be more insulated: warmer in the winter and cooler in the summer. Thanks guys. I recommend you to everyone who mentions a roofing problem. – Jack from Providence, RI

Flat Roof Leaks and Repair Information

When your flat roof begins to leak, the process is irreversible, and the sooner you start to deal with these issues, the less you will have to spend on repairs and roof replacement.

For your convenience, we created a series of roofing guides that will help you choose the best solution for your flat roof and provide you with information that many roofing contractors and manufacturers do not want you to know. Check out our Do-It-Yourself Guides for rubber roof repair and tar & gravel roof repair for immediate steps you can take to temporarily stop roof leaks, until you can perform a complete re-roof. You can also read our comprehensive Flat Roof Repair Guide to gain insight into issues associated with leaks, costs involved in repair, and ways to minimize your expenses.

Discover different types of flat roofing materials and choose the best roofing product for your home or business. It is a shame that in the 21st century many roofing contractors still use 19th century roofing technology, which is inferior, inefficient and cost you more than a modern single-ply roof. Learn about different single-ply flat roofing systems and compare them to IB Roofs, the leading manufacturer of long-lasting cool flat roofing products.

Compare the two leading single-ply cool roofing products in our PVC vs. TPO roofing guide.

Flat Roofing Job Profiles: Industrial, Commercial and Residential

Residential Flat Roofing – Forget About Your Roof Leaking With IB Roofs

Posted on by Leo - CoolFlatRoof



  • Does your low-slope roof leak due to Ice Dams problems? Does your ridge vent leak, or did you have to completely remove the ridge vent to stop leaks? Poor ventilation and attic insulation is causing your ice dams, but now you can solve this problem efficiently and economically.

    • An IB PVC Membrane is a solution that will keep your home, probably your biggest investment, watertight and ice dams free for decades to come!

Residential IB Cool Roof in Wallingford, Connecticut. This 80-mil grey roof perfectly blends with the house, keeps the water out, and homeowners happy. No more patching or repairs, no more worries!

Ice Dam leaks and Poor Ventilation

Most low sloped roofs in the northern United States have Ice Dams, which cause roof leaks and expensive roof repairs as well as cosmetic interior repairs of ceilings, walls, carpets and wooden floors. Those are the damages that you can actually see.



Ice dams also create invisible structural damages, which you can’t find until you open up ceilings and walls. These damages are extremely expensive to repair, as it would require hiring interior remodelers to fix structural damages, outside and inside walls, electrical systems, plumbing, etc.

Ice Dams in a Nutshell

Ice dams are caused by poor attic ventilation and heat loss from the inside of your living space. Large piles of snow will accumulate on your roof after a snow storm. If your attic is improperly insulated and ventilated, the warm air escaping from your living area into the attic, will melt the snow. The water from melting snow will run down the roof and refreeze, usually along the eaves of your roof. These are Ice Dams. The more snow is melting the bigger Ice Dams you have. After some time, the ice dams become so big, that the melting water cannot travel downward anymore, so it starts to travel upward underneath the roof shingles or rolled roofing seams. As it freezes under the roof, warm air melts it, and it slowly starts to drip inside the attic, causing all of the above and below mentioned problems.

It becomes a vicious cycle were more heat loss creates more ice dams, which cause more damages to structural walls and insulation, destroying your home from the inside, increasing your energy-related expenses, and causing more heat loss, which creates bigger ice dams…

One negative effect caused by ice dams, and which many homeowners neglect to address is the wet insulation in the attic and inside walls. When insulation gets wet, you loose insulating value, so your energy costs increase, as heat loss in the winter drives up your heating bill. The same happens in the summer with cooling. Also, mold begins to grow in the attic and inside walls, which cause and/or aggravates allergies, asthma and other respiratory illnesses.

IB Membrane Solves Ice Dams Problems

An IB membrane is a perfect way to eliminate Ice Dams on a low slope roof, as it is a seamless blanket over the entire roof. Hot air welded seams prevent water from backing up and re-freezing, as is the case with shingles and rolled asphalt roofing, therefore eliminating the effects of Ice Dams. Also, most of the snow will actually slide off the IB roof, thus there will be a minimal Ice and Snow accumulation along the eaves.

Additionally, we’ve designed a special Ridge Vent system, which we use on every low-sloped roof with ridge/soffit ventilation in place. This system prevents the wind driven water from entering your attic space through the holes in the ridge vent, while allowing the warm air to escape the attic. Check out our special Low-Slope roof ridge vent assembly, which improves your attic ventilation and eliminates leaks!



Flat Roof Decks and Patios

Posted on by Leo - CoolFlatRoof

How Much Flat Roof Costs - Calculate Prices
Roof Size
x ft.
Tear-off
Roof Slope
Material
Estimated Roof Price: $0

See costs in your area Start Here - Enter Your Zip Code


Leaking Roof Decks – Why they leak and how to fix problems:

Many homes in New England have walk-on, flat roof decks with living space under them, and 90 percent of these deck roofs leak, ruining your rooms.

Stains on sheet-rock ceilings, popping hardwood flooring, wet carpets and rotted framing are just some of the damages that you may sustain as a result of these leaks.

Destruction of personal property such as beds, book shelves, computers, TVs and other electronic equipment can also occur in cases of severe leaks.

Most roof decks leak because they are typically made of flat roofing materials, that were created over a century ago, and were not designed for use as roofing for residential homes and living areas.

Another reason is the original design flaw implemented by architects and/or builders, who have no experience in flat roofing, and do not have appropriate roofing technology to use.

Avoid conventional flat roof materials – they will leak!

A properly waterproofed deck should never need repairs or replacements. Even with a floating wood deck on top, you should never have to do maintenance or deal with leaks.

This CANNOT be accomplished with rubber roofing (EPDM), becuase rubber is a GLUED system. Glue breaks down with time, and even faster, when you add water to it.

However, using IB / PVC Cool Flat roofing membrane, you can waterproof your deck and forget about!

Here is what a well done roof deck looks like:

Flat Roof Deck in Wellesley, MA

Flat Roof Deck in Wellesley, MA

What causes flat roof decks to leak

Ponding Water Leaks

Very often you can find ponding water accumulating on these deck roofs. The majority of flat roofing systems existing today cannot sustain constant ponding water, and as a result water enters your house, and destroys your possessions and property.


Average Flat Roof Costs in US Average Flat Roof Costs in US
Rubber Roof
Rubber
$7766
PVC Roof
IB PVC
$9095
TPO Roof
TPO
$8415

See costs in your area Start Here - Enter Your Zip Code



Wood Deck and Railing Leaks

Often there is a wood deck installed on top of a flat roof or some sort of a railing system. To make these railings securely attached to the roof, builders often create penetrations for every railing post on the roof. The only way to “seal” these penetrations for most builders, is to use roof cement or pitch-pockets – both of these methods are considered unacceptable by the National Roofing Contractors Association (NRCA). Yet, most builders don’t have the appropriate products, expertise, and many times, don’t care enough to make these penetrations water-tight.

This results in more leaks – usually these leaks don’t appear inside your home for years, but the hidden damages can cost thousands of dollars to fix. Water slowly enters your home and rots the beams and studs. While unnoticed for a long period of time, such leaks may sometimes result in partial or complete re-framing of your roof and/or support walls.



Creating a leak-free Roof Deck with IB roofing systems

Damages caused by leaks are very expensive to fix. Yet, you can easily solve this problem in a fairly cheap way (when compared to costs of replacing and repairs you have to incur if you let the leaks continue) with IB’s life-time roofing product. With an IB Roof, you will never have to worry about leaks again and you could finally regain full use of your roof deck or patio.

We offer two different solutions for you to permanently solve your deck leaks. Both ways utilize IB’s time-proven CPA membranes, featuring hot-air welded seams. The main difference between the two methods is the product you choose to use, and the aesthetics you desire.

Assembly Type 1:IB DeckShield

A fully integrated waterproofing membrane system designed for use on walk-out roof decks. DeckShield is highly slip-resistant, and not only complies with, but also exceeds ADA (Americans with Disabilities Act) requirements. DeckShield can be used for a small balcony, as well as a large roof deck, and for everything in between. Hot-air welded seams make IB DeckShield a long-lasting waterproofing solution that is both eye-pleasing and safe to walk on when it is wet. Expect many compliments from your family and friends when they get to see your new roof patio with IB DeckShield.

Since IB DeckShield is made from the same material as other IB membranes, it is easy to accommodate for any roof penetrations, such as a Railing System and Roof-Wall detail. This will ensure that your roof will be water-tight and you can take full advantage of your deck or patio once again, invite your friends and family for a cookout, enjoy a cocktail, or watch the stars.

IB DeckShield Roof / Deck Assembly and Installation

DeckShield is easiest to install on new construction homes. However, it can be easily adopted for retrofit use on existing homes. IB Deck Shield is installed as a fully-adhered application on top of Dens Deck – a fiber-cement type board that is 1/4 of an inch thick, or over plywood.

The surface for installing IB DeckShield must be clean, smooth and flat. That is why in some retrofit applications use of DeckShield may be difficult or impossible. When you have an uneven surface, it is best to use the regular IB Roofing Membrane with a wooden deck over it. If you still want to use Deck Shield for a retrofit roof deck project, expect the additional costs of making your roof surface even.

Learn more about how IB Deck Shield membrane is installed, installation prices and more general information on roof deck waterproofing, using IB DeckShield membrane.

Download DeckShield brochure


IB DeckShield – a beautiful and durable decking waterproofing membrane.

Benefits of Using IB Deckshield Assembly

  • Enhances the appearance of decks
  • Eliminates annual painting and staining of wood decks
  • Durable, slip resistant waterproofing system
  • Resists mildew, chemicals, and UV rays
  • Eliminates hazardous wood splinters and unsightly concrete cracking
  • Complies with ADA (Americans with Disabilities Act) requirements


Average Flat Roof Costs in US Average Flat Roof Costs in US
Rubber Roof
Rubber
$7766
PVC Roof
IB PVC
$9095
TPO Roof
TPO
$8415

See costs in your area Start Here - Enter Your Zip Code



DeckShield Colors and Texture

Assembly Type 2:IB PVC membrane with a wood deck installed over it

A more traditional way of roof deck construction, features an IB Lifetime single-ply membrane with fusion-welded seams. This method will ensure permanent water-tightness of your roof deck, combined with a deck and railings system built with your choice of wood and pattern. Download IB Roof brochure

Benefits of Using IB 80-mil Membrane with PT / Composition Deck on Top:

  • Wooden deck on top of IB 80 mil roofing membrane protects the roof from accidental mechanical damages
  • Allows you to have a more traditional wooden deck / patio
  • Composition deck assembly eliminates the need to stain / paint the wood
  • Allows extended use of outdoor grills, without worrying that you’ll burn through the roof
  • Allows for creation of beautiful deck designs and the use of steel outdoor furniture

IB 80-mil PVC roofing membrane with composition board deck assembly create this beautiful patio

A happy client enjoys her private roof-deck in Arlington, MA. Roof assembly consists of 80-mil IB Roof for waterproofing, and a diamond-shaped, low profile deck.



IB SolarWise – Integrated Solar PV Flat Roofing Systems

Posted on by Leo - CoolFlatRoof



Dear readers, we are getting an overwhelming amount of questions about IB Solar Wise PV systems, cost of solar, efficiency of IB SolarWise PV system vs. conventional Solar panels, and whether solar will work for you. To answer most of these questions we have created a comprehensive solar PV planning and design guide. Please familiarize yourself with how solar works, solar terminology and Solar PV Roofing price structure – find out how much solar PV roofing should cost – Solar PV prices.

Quick Page Navigation:

  • What is IB SolarWise PV? – Introduction to roof-integrated Solar PV system produced by leaders in flat roofing and renewable energy – IB Roofs and Uni-Solar
  • IB SolarWise video – Watch IB Solar PV roofing system in action – installation, performance and financial benefits
  • Prices of IB SolarWise PV – Estimate how much an IB Solar PV roofing system will cost for your project before any Federal Renewable Energy Tax credits and State solar rebates
  • Why should you want a roof-integrated Solar PV system? – Learn why BIPV is the way to go when you want to switch to solar PV, and probable consequences of using conventional solar systems
  • Financial benefits of IB SolarWise – Discover why IB solarwise is the least expensive solar PV system to install and maintain

IB SolarWise roof-integrated Photo-Voltaic Systems



IB SolarWise Roofing is a Revolutionary Product combining Permanent Flat Roofing and Renewable Energy in one easy-to install, leaks-proof flat roofing solution for environment and money conscious Home and Business owners, and has a pay-off period of under 5 years*, while industry standard is 7-10 years or more.

IB SolarWise utilizes Thin Film laminate Solar PV modules produced by Uni-Solar – a US manufacturer of Solar products. Both IB Roofs and Uni-Solar have been in business for over 30 years, and combining their respective experience in Flat Roofing and Solar Photo-Voltaic gives you the highest quality, Super-Energy-Efficient product for Residential, Commercial or Industrial buildings.

SolarWise is more than just a system – it is a way to integrate two different system to work seamlessly, to be leaks free and maintain its warranty, without incurring additional costs for the building owner.

IB Solar Wise helps roofing contractors and solar integrators eliminate their biggest worries – leaks and solar photovoltaic equipment damages by creating a seamless integration between two previously incompatible technologies.

IB Solar Wise - building integrated PV systems that seamlessly installs with IB single-ply flat roofing membranes with no roof penetrations. Generate free electricity, and have your Solar PV system pay for itself in under 5 years!


IB SolarWise Video

Until recently, availability of IB SolarWise system, solar integrators had to rely on caulking and screws to attach solar panels to the roof surface. This created leak problems, for which solar integrators did not want to take responsibility. Roofing contractors were ‘terrified’ of solar equipment and its sky-high replacement cost in case of damage during roof repair. Now all these problems are eliminated by integrating solar PV components into a long-lasting IB roofing membrane, resulting in the elimination of leaks, reduced solar and roofing installation & materials costs and reduced requirement for dead-weight load on the structural components of the building.

IB SolarWise Prices

Here we will demonstrate a cost structure for a hypothetical 3 KW solar PV system installed on a roof of a home or a business. Do understand that this cost includes the installation of IB Roof, BIPV Solar panels, Inverter, wiring, etc., and the prices are provided “before” any Federal tax credits and State rebates for solar and other renewable energy projects.

Lets assume that our roof is an average residential roof that is 1500 sq. ft., which has a slight pitch and is positioned in a southern direction with no shading (perfect conditions for solar PV installation). Please note that the slope of the roof, shading or southern exposure do not directly affect your cost for a solar system, but these conditions will affect your system’s efficiency and total electricity output. Theoretically, on a 1500 sq. ft. roof, we can install up to 7 KW of IB Solar Panels, but for the purposes of this example we will use 3 KW system mentioned before.

There is a lot of confusion about how the solar PV systems are priced – many people assume that solar is priced by Square Foot, but that is not the case. Because Solar Panels from various manufacturers have different efficiency, the electricity produced by 15 sq. ft. panel from Manufacturer A can be double that produced by same size panel made by Manufacturer B. Therefore, all solar PV systems are priced by their output measured by Watts DC. The average industry cost for solar PV systems that are rack-mounted and installed on an asphalt shingles roof of a residential homes range from $10 to $12 per Watt DC.

IB SolarWise PV system utilizes a thin-film Solar PV laminates produced by Uni-Solar Ovonics. These solar panels have lesser efficiency than a more common crystalline silicon panels (big aluminum boxes) per sq. ft., therefore they require more space to have a large size solar array installed. However that is rarely a concern, as usually there is plenty of unused, unshaded space on the roof. Prices of IB Solar Wise PV are in the range of $13-14 per Watt DC. This is slightly more than your conventional PV panels, but it also includes a Lifetime roof, and provides a complete, watertight system, which is guaranteed not to leak, as is often the case with conventional PV systems installed on rack mounting systems, which are bolted to the roof.

The $13-14 per Watt DC figure is flexible and a lot depends on the size of the roof and the size of the solar system (number of KWatts), and in some cases can actually be on par with cost of conventional Solar systems, which do not include the roof. Each individual project will be different, so use these numbers for reference only.

Also we recommend that you read the next section of this article, discussing why you would want to have a roof-integrated solar system installed vs. a conventional solar system.

Installation of solar roofing


Solar Flat Roofing: Cautionary tale with the end in mind

Foreword: This story is fictional in nature but real in substance, and definitely happened before.

A brave, responsible, and hard-working person – Jack – decides that installing a Solar PV system is not only beneficial for the environment, but is also a sound investment. So after doing the due-diligence, he lines up a solar integrator to install a Solar System on his 7 years-old flat roof. The roof has no signs of leaks and Jack feels that there won’t be any problems.

The solar integrator knows his job well and completes the project in a timely manner, applying for and receiving all the available incentives for the client. The system performs well as expected, and generates the expected amount of electricity. All goes well.

3-5 years later, the roof begins to leak and Jack is faced with a dilemma. He needs to stop the leaks but the solar equipment is in the way. The roofing contractor who is supposed to fix the leak hesitates to move the solar equipment, which prevents him from fixing the roof. The only option is to remove the solar panels array completely, remove the old roof, install a new roof, and then put the solar array back.

Excluding the cost of re-roofing, as it is not related to the solar system, the hero of our story had to pay at least a dollar/watt for removal and a dollar/watt to put back the solar panels. Lets say he had a small commercial system of 10 kW or 10,000 watts. This means that he had to pay an EXTRA $20,000 just to take the solar system off and put it back on, so the roofing crew could do the work.

Why was this a cautionary story with the END in mind? Very simple: Jack could avoid the extra expense of $20,000 by using a roof-integrated solar system such as IB SolarWise. Cases like this one happen all too often, and not just with flat roofs. A more common example would be an asphalt shingle roof with a solar pv system, where shingles not covered by solar panels deteriorate at a normal rate and will have to be replaced about every 15 years. Lets face it: shingles rarely last more than 15 years. Consider all the roof penetrations from the solar panels’ rack mounts and the roof lasts 12 years, after which the repair process described above has to take place, unless of course you are willing to take the leaks.

IB SolarWise roof saves you money in FOUR ways

1 – IB Cool White PVC roofing membrane reflects up to 90% Sun’s heat, thus your AC does not have to work as hard as if you had a black roof. Read more about benefits of IB Cool Flat Roofs.

2 – SolarWise PV modules (solar panels) generate free electricity** by converting sunlight into Electricity you can actually use, so you do not have to buy it from your utility company, or you buy a lot less than you had to before. In some cases, your IB SolarWise PV system will produce MORE electricity than you expected, and you electric company will buy it from you at retail price, in states that have Net Metering laws (most states).

You will also be able to sell so called Renewable Energy Credits or RECs to give you even more money for extra electricity that you produce, thus speeding-up your pay-off period! But that is not all – there are also numerous incentives, grants and tax-rebates offered by Federal, State and local Governments, as well as your utility companies.

3 – IB Roof’s durability and proven performance ensures years of leaks-free operation of your roof, as well as virtually no maintenance. As a result, you save money on flat roof and interior repair, which you will otherwise incur with other flat roofing systems, notorious for constant roof leaks.

4 – IB SolarWise PV system will save you money on the installation costs. SolarWise PV is a Building-Integrated PV (BI-PV), which means it is actually a part of the IB flat roofing system. This eliminates the need to use expensive solar panel mounts, brackets and railings that take long to install, therefore adding a lot of money to the total cost of the installation.

How does IB SolarWise PV work?

IB SolarWise PV produces a DC-current, which goes into an Inverter where it becomes an AC-current. The inverter is connected to you home’s or building’s electric circuit and also to your meter. You use all the electricity you need, while ALL excess electricity goes into the Grid. Electricity that goes into the grid is purchased from you by your utility company through Net Metering, usually at retail price.

Most of the electricity produced by the SolarWise PV system occurs in the summer, when days are longer and more sunlight is available. At the same time, people will usually use a lot more electricity in the summer to run the Air Conditioning units, so depending on the “size” of your solar system, you will produce more, less or the same amount of electricity than you actually consume. However, practice shows that in the summer months, Solar systems produce more electricity than is consumed. Therefore, all excess kWh sent to the grid in the summer you will use in the winter, when a lot less sunlight is available.

Download Official IB SolarWise PV Brochure

Note: you will need a PDF Reader to open this brochure. We recommend fast and free Foxit PDF Reader.

Benefits Summary

With all the positive qualities of IB SolarWise PV system is the Best solution available for anyone looking to have an energy-efficient Cool Flat Roof and a Solar PV system. IB SolarWise PV offers the best of flat roofing and solar electricity:

  • Lowest Cost per Watt installed with simplified installation and fastest pay-off period of around 5 years!
  • Longest Service Life of both the Roofing System and Solar Modules. IB offers a 20 year Material Warranty for the SolarWise PV modules and up to 25 year Commercial Warranty with its 80-mil flat roofing membrane – the highest commercial warranty available from any flat roofing manufacturer.Homeowners will enjoy IB’s Lifetime Residential Warranty on any IB roofing product. You will not find it anywhere else, guaranteed! IB Roof Warranty Summary
  • Fully Integrated Solution eliminates the risk of roof leaks, often associated with regular Solar systems! Light Weight of about 1 lb. / sq. ft. eliminates the need to upgrade the structural components of your flat roof, which further reduces your costs.
  • SolarWise PV is BI-PV, which qualifies it for additional incentives and rebates from State and Federal government and other
    entities.

Frequently Asked Questions

This section is designed to cover the topics that you are most interested in, and always ask us about.

  • Q: Can I install IB Solar Wise panels over EPDM Rubber (Modified Bitumen, Tar roof, etc)
  • A: No. IB SolarWise PV system must be installed over an IB roof. The solar panels are welded down to the IB PVC roofing membrane, which acts as a water-tight barrier and a substrate for IB Solar
  • Q: How much does a square foot of IB Solar PV cost?
  • A: IB SolarWise PV system as well as other solar systems are not priced by the square foot, but rather by $/Watt DC. Please refer to our IB Solar PV pricing section for more details
  • Q: What is the output of IB SolarWise PV module?
  • A: IB SolarWise PV modules come use 4 Uni-Solar thin-film laminates per module. Each Unisolar module is 136 Watts DC, so each IB SolarWise PV module is 544 Watts. You also have an option of getting modules that are 1/2 the physical and output size and are 272 watts.
  • Q: How many KW of IB solar can I install on my roof?
  • A: The 544 Watt IB SolarWise PV modules is 19 feet long by 6 feet wide and require 120 sq. feet of unshaded roof area. Therefore, for 1 Kilowatt of electrical output, you will need about 200 sq. feet of roof. However, since IB Solar modules come in sizes of 544 Watts, you need to calculate how many modules you want installed and how much unshaded roof area you have.

Solar PV References and Resources

To learn more information and methods of designing a solar house, visit our GreenSolar Cafe.com – Renewable Energy Blog. There, you will find detailed guides to creating a Net Zero Energy consumption home, that utilizes Solar and Geothermal technologies that are available on the market today.

Solar PV installation Prices – Detailed guide to $$/Watt price-structure of SolarWise PV and other solar systems.

Solar Rebates and Incentives Guide – Summary of Federal, State and Local tax credits, grants, rebates, incentives for installation of Solar PV systems – both for Residential and Commercial installation. Make your Solar PV profitable from the day it is installed!

Solar PV Price Estimator – Calculate the approximate PV System-size in Watts, Cost/Watt and the Price to install your SolarWise PV system, and an IB Roof of your choice.

Solar PV Pay-off / Break-Even Guide – Detailed look at how Solar PV works, Solar systems design, and how you can get Free Electricity. Speed up the pay-off period of your SolarWise PV. In some instances you can make your Solar PV profitable from the day it is installed!

IB Roof References and Resources

IB Green/Roof-top Garden Roofs – If you are Eco/Environmentally conscious, or just want more Green in your live, and have a flat roof Home or Office building, see why IB Roof is the perfect choice for your Greed Roof!

Green Resources Directory – Visit other Green / Eco-Friendly resources available online.

Flat Roofing Materials – EPDM rubber, BUR, Tar & Gravel & Modified Bitumen

Posted on by Leo - CoolFlatRoof

How Much Flat Roof Costs - Calculate Prices
Roof Size
x ft.
Tear-off
Roof Slope
Material
Estimated Roof Price: $0

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Flat Roofing systems: The purpose of a flat roof or any roof for that matter is to keep your home or building safe and dry. The roof MUST protect your investment from the elements such as rain, snow, and even the sun’s heat.

However, many flat roofing technologies on the market today have some major, inherent drawbacks that have origins in their design. In fact, most flat roofs fail to serve their main purpose just a few years after they are installed.

You are presented with so many choices for a flat roof and every roofing contractor will tell you their product is the best.

But which one do you choose and how do you know that you are getting the best deal? Here we have summarized the most common and ‘popular’ flat roofing choices. You can be the judge and decide which is best for you.

Benefits of flat roof construction:

There is a common misconception among many home-improvement contractors and residential builders / architects that flat roofs = problems.

The truth is that flat roofs are very convenient, easier to build, and cost less than pitched / sloped roofs. In some cases, a flat roof is the only way to go, for example, when you have a large size building.

Building a reliable pitched roof in those cases will require extra engineering to accommodate for additional structural weight.

IB roof replaces two sections of this textile factory roof located in Central Falls, RI. These two sections had the most leaks, which were damaging expensive machinery.

Flat roofs are also convenient for installing large HVAC equipment that otherwise would have to be installed on the ground. You can also use flat roof as a roof-top deck, patio or penthouse. Green roofs are also gaining popularity with environmentally conscious companies and organizations.


Average Flat Roof Costs in US Average Flat Roof Costs in US
Rubber Roof
Rubber
$7766
PVC Roof
IB PVC
$9095
TPO Roof
TPO
$8415

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When you compare all the construction costs and environmental benefits, flat roofs by far surpass any sloped roof, for which the roof products of choice are oil-based asphalt shingles. These asphalt shingles end up in our landfills every 12-15 years, and yet more and more of them are produced.

Limitations and Disadvantages of flat roofing:

Flat roofs also have a number of disadvantages. The main one is the fact that there is no slope and all the water/snow sits on the roof. While water can be taken care of with proper drainage, snow will sit on the roof until it melts. This requires the engineers / architects to implement building components with a higher structural load. Another disadvantage that haunted flat roof installations for over a century is ponding water. Until the invention of single ply membranes such as an IB roof, there was no effective and economical way to eliminate the leaks caused by ponding water. That had to be taken care of in the initial design/construction stage. Creating a slight pitch and multiple drains was required, and still ponding water caused over 75% of all flat roof leaks.

Now the ponding water problem is solved by either implementing a slight pitch to the roof – such as in ‘space metal buildings”, using tapered insulation to direct water flow toward drains and with the creation of IB PVC / CPA roofing with hot-air welded seams, ponding water is no longer a problem in small quantities. It is still necessary to have adequate drainage system, since a lot of ponding water can cause structural damages to your house or building.

Types of flat roof: Modern and Outdated roofing technologies.

Outdated (Multiple-Ply Roofs) – some are over 100 years old:

  • Build-Up Roof (BUR)
  • Tar & Gravel
  • Bitumen (Modified Bitumen)
  • Rolled Asphalt (usually a “single-ply” install, sometimes uses tar-paper as base ply)

Modern (Single-Ply Membranes)- created within last 30 years:

  • IB Roof (PVC roofing) – IB PVC roofing membrane is one of the best low-slope and completely flat roofing products available, and that is precisely the reason why we only install IB roofs. With over 30 years of spotless reputation and leaks-free performance in many different climates – from Alaska’s frigid north-lands to Hawaii’s tropical paradise, IB roofs are protecting the buildings and everything inside, without a single material failure since 1978.

    IB roofs still feature the same chemical formula as its original design, and with hot-air welded seams, will maintain complete water-tightness over your roof.


    • Average Flat Roof Costs in US Average Flat Roof Costs in US
    Rubber Roof
    Rubber
    $7766
    PVC Roof
    IB PVC
    $9095
    TPO Roof
    TPO
    $8415

    See costs in your area Start Here - Enter Your Zip Code



  • Epdm Rubber Roof – a widely used flat roofing material, mainly popular among contractors because of its low price and no special equipment needed to install the rubber roof. Still, rubber roofs are very prone to leaks, as the seams are glued together, and adhesive tends to break down within 5-7 years. Also in the residential roofing market (and not so much in commercial) there are too many contractors who will install rubber roofing products without proper knowledge and training. As a result, we often go to rubber roof repair service calls to fix problems caused by poor workmanship, often on fairly new roofs.

  • TPO Roofing – a single ply thermoplastic roofing membrane similar to PVC roofs from a first glance. But as you start digging, you’ll find numerous problems with TPO roofs, mainly as a result of manufacturers skipping on adding important ingredients into formulation of the TPO membrane, and as a result, quietly scrapping as many as three major generations of the product.
  • SFR – Sprayed Foam Roofing (not a single-ply)



Part I: Inferior and outdated flat roofing technologies

These are very common on older buildings, although many newer buildings also have these systems installed. They are rarely installed on any commercial building today. However, they continue to be produced, and many roofers still install them on residential and small commercial roofs. This is particularly due to their low cost of material, and roofers’ lack of experience with BETTER solutions. It is sad that there are some decent roofers offering such an inferior product to their customers. I often hear something along the lines of: “I’ve been doing ‘torch-down’ for 20 years, and it is the best” – very sad – so we will briefly describe them, without getting into details.

BUR / Tar & Gravel / Torch-down: Multiple-ply roof where each ‘tar-soaked’ ply is applied with a torch (yes, open flame on your roof!), or hot mopped (preheated tar transported to the roof and applied with a mop). Gravel goes on top of this ‘sandwich’ mainly as a protection layer from foot-traffic and sun’s devastating ultraviolet rays. There are many deviations from the above procedure, but they are all within a close range of similarity.

Modified Bitumen: It is also applied with a torch in a similar manner described above. It is however a different material than tar. Modified bitumen has rubber and elastomers added into the formula, so it is stronger and more flexible.

Rolled Asphalt: Similar to asphalt shingles – tar paper is saturated in asphalt, with crushed stones glued on top of it. Rolls are installed in an overlapping pattern, with cold-mop application and nails to attach it to the roof deck. Overlapping seams are sealed with tar.

Rolled asphalt flat Roof in Providence, RI is failing prematurely - seams coming apart, seam adhesive fails, nails backing out, and as a result: roof leaks inside the house.

Problems associated with flat roofs:

The nature of flat roofs’ problems is just that they are flat. Water does not run off the roof. Proper drainage must be in place to get rid of water accumulating on a roof. Usually older roofs are not leveled, so water puddles will appear here and there after every rain, and just sit there until it dries out. This is called standing or ponding water. Most roofing systems were not designed for ponding water. In fact, most manufacturers of the roofing systems on the market today, will void out the warranty if there is ponding water on the roof (we will get to this issue later). Other major problems for flat roofs, are penetrations such as skylights, vent or exhaust pipes, chimneys, roof hatches, drains, etc. However the biggest problem with flat roofs is the seams, because they are the most common areas where leaks occur.


Average Flat Roof Costs in US Average Flat Roof Costs in US
Rubber Roof
Rubber
$7766
PVC Roof
IB PVC
$9095
TPO Roof
TPO
$8415

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Seams:

Seams exist on every flat roof (except tiny ‘6×10 porch-type’ roofs, which can be covered with a single sheet of roofing membrane), and are usually put together with some sort of adhesive. After a few years the adhesive breaks due to severe weather changes (here in New England, temperature can change 25 degrees or more, in a matter of one day). Another major factor affecting seams’ adhesive is condensation, which always occurs underneath the roof covering. Condensation expands both in the winter and summer. The most dramatic expansion of condensation happens in the winter time when water freezes, expands and breaks the seam. The same happens to our roads. Think of all the potholes you drive over. Those too were caused by water freezing. In the summer water heats up and also expands. When you see bubbles on the roof surface, it is the water vapor lifting the membrane. The third major factor is actually quality of workmanship and the adhesive itself. For different roofing systems the process is different, but most of them share the same shortcoming – the need for using adhesives, be it glue, hot tar, liquid resin, etc. Adhesives are also required to flash any roof penetrations listed above, but here the workmanship is actually more of a factor than the adhesive.

Conclusion – let’s get real.

It is a shame that in the 21st century we are still using 19th century technology. Even more so, because nearly 50% of roofers in the on-line construction forums will advise you to choose a clearly inferior roof. These heavy and dirty roofs, heat up to 170 degrees and make your AC run like crazy in the summer. These very roofs start leaking prematurely and are impossible to fix. Why would some one acting in good faith actually recommend these? The answer is obvious – they don’t know any better. Fortunately there is ONE modern, technologically advanced flat roofing solution available on the market today – IB Roof. In fact, this solution has been around for a few decades now, and has a proved track record of 30 years of leak-free service!

Read more: Part II – Single-Ply Roofing Membranes – PVC, TPO & EPDM Rubber Roofing.