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Learn about foam roofing

Learn about foam roofing

What is Sprayed Polyurethane Foam roofing?

Spray Polyurethane Foam has been used as a roofing and insulation material for over 45 years. Today there are foam roofs that have been in place for decades, and by all appearances they should be able to last indefinitely as long as they are properly maintained.Sprayed Polyurethane Foam is a combination of isocyanate and polyol.

These two components are fed through a proportioner which heats then pumps the two separate components to the spray gun, where they are mixed and sprayed onto the substrate. Because it is sprayed onto the roof as a liquid, it forms a single continuous structure that is seamless and very stable.

Foam roofing has many advantages over traditional roofing methods, and as you read through this web site you will learn a lot more about them. Here are some brief examples:

  • Seamless: Polyurethane foam is applied as a liquid, creating a single monolithic membrane that covers the entire roof. There are no seams or joints, the source of the majority of leaks in traditional roofs.
  • Flexible: The foam can be sprayed onto virtually any surface, irregularly shaped roofs and protrusions are readily taken care of.
  • Lightweight: Foam roofing typically weighs around 50 lbs. per square, versus 800 lbs. for a built-up roof and 100 lbs. for ballasted single-ply roofs.
  • Thermal Insulation: SPF has the best insulating properties available for commercial construction today.
  • Sustainability: Foamed roofs require a minimum of upkeep, creating little waste and have an indefinite lifespan.

How long does a typical Foam Roof System take to apply?

Most domestic property foam installations take 2 to 3 days if the roof is in reasonable condition and scaffolding is not required.

Is Your Roof Coating Energy Star Approved?

Yes, our coatings have been tested and meet the ASTM Reflectance Standards for Initial Solar Reflectance and are shown on The Energy Star and California Qualified Product Lists. These coatings meet the requirements for California Title 24.

How much will roof insulation and polyurethane foam save on my heating bills?

It all depends but you can expect to save about 75% of the heat that would otherwise escape from the roof which might translate to a 10 to 40% saving on your heating bills. You will notice a big difference to the comfort of your home in winter due to the excellent roof insulation. Roof insulation has a payback typically between 3 to 10 years depending on the current thermal efficiency of your home.

Are there health concerns with Spray Foam Insulation?

No. Spray Foam Insulation is a clean product. It meets off gassing requirements for new residential construction. No toxic or carcinogenic products were detected.

At what point in the construction should spray polyurethane insulation be applied?

Normally spray polyurethane insulation is installed at the same point in the construction cycle as other types of insulation. That is, it should be installed after the rough plumbing, electrical wiring, and heating and air conditioning ducts have been installed. If you decide to seal the entire exterior shell with spray polyurethane, spray insulation may need to be applied in some areas before the ductwork is installed.

Won’t sealing my building with spray polyurethane foam lead to indoor air quality problems?

Your building does need to be ventilated in order to maximize indoor air quality (moisture levels and contaminant levels). Most design professionals will advise you to seal the structure as tight as possible and provide the necessary ventilation through the heating and air conditioning system. Many systems employ a highly energy efficient “air exchanger” which is designed to pre-condition (either warm or cool) the incoming outside air with the outgoing exhaust air. In this manner, you can build an extremely energy efficient exterior shell using high performance spray polyurethane foam while still providing controlled and energy efficient ventilation.

How long will my roof last?

Roofing, like any other material, is likely to deteriorate with time. A new roof can last anywhere from 10 to 40 years, although 20 years is the average. You can lengthen the life of your roof by choosing the right contractor for the original installation and keeping up with any maintenance requirements. Even if you follow these recommendations, there are factors you can’t control such as weather elements.

How do I know when my current roof needs to be replaced?

Different roofs deteriorate at different rates. If you see any of the following signs, it is time to consider replacing your roof: The following are things that may indicate that your roof needs replacing:
• Missing, cracked or curling shingles
• Blistering or peeling paint
• Shingle, sheathing or siding decay
• Leakage in the attic after heavy rains
• Stains on interior walls or ceilings
• High energy bill

What are common types of roofing?

Roofs are one of the most visible parts of the house. They also take a battery of torture. There are different types of roof and the most common types of roofing materials used are:
• Asphalt shingles – the most popular roofing used in America today. They can be reinforced with either fiberglass or organic shingles with the former being more popular.
• Wood shingles or shakes – They are usually made out from cedar.
• Tile – it is a durable roofing material but can get quite expensive.
• Metal – Several types are available like the flat locked copper. Metal roofing can be broken down into two groups, the architectural and the structural.