schedule A FREE ROOF INSPECTION

 

Take control of your interior climate

With spray polyurethane foam plus coating

 

Foam-Gard is a spray polyurethane foam (SPF) roofing system designed to waterproof your roof and save you money on energy costs. Buildings with spray foam insulation installed typically insulate up to 50% better than traditional roofing systems. Top-coating SPF with a highly reflective fluid-applied roof coating provides you the ultimate level of energy efficiency and climate control, significantly reducing your bottom line as a commercial building owner or manager. Experience roofing excellence with spray foam insulation + cool roof technology.

 

Benefits of SPF insulation + Coating

 

Seamless air barrier

Superior insulation begins by keeping outside air out and inside air in. The more efficient the “air seal,” the more efficient your insulation will be. Your ultimate air seal begins and ends with the Foam-Gard roofing system.

Cool roof technology

A seamless liquid membrane is applied directly to the SPF surface. This highly reflective coating is designed to deflect damaging UV rays and will flex in extreme hot and cold climates. It is Energy Star® rated to lower interior cooling costs.

Make your business stronger

Spray foam roofing is installed directly to your existing roofing system at 1” thickness or greater. The added strength and durability of your building’s roof line results in a stronger structure.

A solid investment

Spray Foam roofing provides energy savings of up to 40% in all climates and seasons. In many cases the initial cost of spray foam Insulation pays for itself within 5 years.

Watertight performance

Foam-Gard by American WeatherStar has no seams or fasteners to cause leaks. The system seals penetrations, transitions and the field of the roof without introducing potential areas of risk in the future. The system is completely monolithic.

No interruption to business

Roof restoration is 1/2 the cost of total roof replacement, with no interruption to your business during application.

 

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Spray Polyurethane Foam Resources

Case Studies

SPF & Silicone System Over Modified Bitumen

This tired Modified Bitumen (Mod Bit) roof was applied directly to the roof deck with no insulation. This roof was not made for hot summers with the black Mod Bit top nor for cold winters since it had no insulation. There were leaks over very expensive pieces of equipment that had plagued this barrel on a box roof design. First, the entire roof was power washed with 3000 psi of water. This ensured that foam insulation would adhere to the clean Mod Bit substrate. After power washing, Spray Polyurethane Foam (SPF) roofing insulation was applied to the Mod Bit substrate one section at a time. (SPF must be coated or primed within hours as it has little to no UV Stability.) As each section was foamed in, AWS Silicone 410 was applied to give the new SPF roof the UV stability and “Bright White” Energy Star finish it needed to last for years to come. This application consisted of a base coat and a top coat of AWS Silicone 410. This system is one of many choices you can make when coating a new SPF roofing system. Other AWS top coat options are: Acrylic 211, Urethane 520 or even our new Ure-A-Sil System (Urethane 520 base coat & Silicone 410 top coat).


Polyurethane Foam Recoat

This spray polyurethane foam roof was installed over five years ago. On average, most of these type roofs have 1 to 2 inches of foam sprayed onto an existing roof substrate such as a built up, modified bitumen, or metal roof. They are then coated with an acrylic, silicone, or urethane roof coating. Spray polyurethane foam is a great roof system, but must be coated every ten years to protect it from the sun’s harmful UV rays. The WeatherStar Roof Coatings system requires the Dealer to clean the top surface of the roof with 1,500 to 2,000 psi of pressure. We do not recommend heavy power-washing as this may damage the current coating system installed on the roof. We do recommend a detergent such as TSP to clean any heavy residue off the roof surface. The next step is to cut out any damaged foam and spray additional foam in the damaged areas to match the current foam system. It is especially important to cut out any areas where water has saturated the roofing system. If there are only small blisters, these may be cut out and patched using a polyester fabric and one of our top coats to seal the area. American WeatherStar always recommends a moisture survey on these re-coats to ensure a successful job. After all areas of concern are addressed, the WeatherStar Roof Coatings Fabric Bond 930 was applied to the entire roof area to ensure that our top coating will adhere to the current system. A bonding primer is not always necessary, but we had adhesion concerns on this roof. AWS Bonding Primer 905 and SBS Primer 950 are also suitable adhesion primers. Finally, two coats of Miami-Dade County approved Silicone 410 were sprayed on the roof surface to form a seamless, bright white membrane to protect the foam from UV rays for many years to come. Other options on a flat roof include our Urethane 520. If the roof has enough slope and drains water, any one of the American WeatherStar acrylic coatings will work as well. ** If your previous foam and coatings project used silicone as the top coat, Silicone 410 must be used to restore your roof as nothing will stick to silicone except for silicone.

 

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