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About Spray Foam

Spray polyurethane foam, or SPF, is a two-component insulation materials that is applied using high-pressure spray foam application equipment that mixes the tip of the sprayer. The two components used to make the spray foam insulation are isocyanate and a resin that when mixed together, expand to form a thick yet lightweight thermal barrier on roofs and in walls. Spray foam can adhere to almost any roofing substrate including asphalt, concrete, modified bitumen, smooth built-up, metal roofing, EPDM single-ply, and even existing spray polyurethane foam.

Although the raw components are considered hazardous, once mixed, applied and cured, the final spray foam insulation provides a safe, weather-tight barrier that does not support bacterial or fungal growth while providing an extremely high R-value.

The Components of a Spray Foam Roofing System:

Spray Foam Roofing with Elastomeric Roof Coating

Read About the Spray Foam Roofing Process Here...

R-value is the spray foam industry standard for determining a single material's or entire insulation system's thermal resistance to heat flow. Many factors are used to determine the R-value for a given material or system, such as the thickness of the applied spray foam, the type of rood substrate the spray foam is applied to and the type of coating or protector cover applied over the spray foam. Spray foam will not stand up against the destructive nature of the sun's ultra-violet rays and must be coated or covered with a weather-tight, waterproof protective coating.

Sealing a spray foam roof is just as important as selecting the right type of spray foam as the top coat is the final layer of protection from the sun, wind, and rain. Spray Foam Roofing Austin highly recommends coating your spray foam roof with a durable, elastomeric coating, such as the roof coatings from American WeatherStar roofing products. These roof coatings are liquid applied to form a single, rubberized, monolithic seal that is a bright-white, reflective, waterproof, and Even without a spray foam insulation under-layment, these roof coating systems are a great option for protecting the life of your roof while lowering energy bills and can even qualify for a 100% tax deduction the first year when used for roof maintenance.

Advantages of Spray Foam

The obvious advantage to spray foam insulation is the energy savings. Spray foam insulation provides the highest R-value for any insulation product on the market today. Interior temperature is more easily controlled which equates to less money being required for monthly utility costs and less wear & tear and maintenance costs associated with maintaining HVAC equipment.

Spray foam is light-weight and adheres directly to the roofing substrate thereby creating a stronger, more uniform roof that is more waterproof and soundproof...yes, spray foam also insulates against unwanted noise and homes protected by spray foam may also qualify tax deductions.

Spray Foam Insulation Savings

A spray foam insulation system gives the building owner more control over climate control costs. SPF is a closed-cell insulation product that houses a low-conductivity gas with a high thermal resistance that usually results in an R-value of R-7 / R8 per inch whereas blown-in fiberglass only yields an R-2 / R-4 value per inch. And remember, the higher the R-value, the better its insulated properties. You will see real savings when using a properly applied spray foam insulation system.

The Lifespan of an SPF System

With proper system sealing and annual maintenance, spray foam can last indefinitely. The most important factor in making your spray foam roofing system last longer will be in choosing the top coat as this is the first and last line of defence for your spray foam. We recommend installation by a professional roofing contractor and when installed this way, most roof coatings and spray foam roofing systems will be backed by a manufacturer's material warranty. Many manufacturer's also offer a complete labor and materials warranty that can extend the lifespan of a roof coating for decades.

All spray foam and roof coating systems recommended by Spray Foam Roofing Montgomery may qualify for such an extended warranty when installed by an approved roofing and spray foam contractor. Contact us for more information on an approved spray foam and coatings contractor in your area or for more information on an extended roof coating warranty.


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