Proudly Serving the
Inland Empire for Over 47 Years

Contact SPF Roofing Experts State License #334755

Urethane Foam Roofing Specialists Since 1976

Experienced Honest Reliable Family Owned


Corona Coatings Corp. is dedicated to educating its commercial and residential clients about the many benefits of spray foam roofing and insulation, and about how they can get the longest, most care free lifespan out of their foam roofing and insulation systems. Below are the answers to some frequently asked questions about polyurethane foam roofing and insulation products.

Are polyurethane foam roofs energy efficient?

Yes. Spray polyurethane foam insulation possesses a greater R-value per inch of thickness than standard fiberglass batt insulation, providing superior thermal performance. This feature makes the decision to install a spray foam roof an investment that quickly pays off in terms of energy savings. In fact, depending upon the season, home and business owners who install foam roofs notice an immediate and substantial reduction in their heating or cooling bills, and have reported decreases in energy costs as great as 30 percent.

Are foam roofing systems as durable as traditional asphalt-based flat-roof roofing systems?

Yes. The average life expectancy for a polyurethane foam roof is 12 to 14 years, which is comparable to the lifespan of a single-ply asphalt-based flat roof roofing system. In addition, unlike conventional roofing systems, foam roofs require no tear-off and reinstallation after this time, because a new foam roof can easily be applied directly over an existing foam roof.

Why should I use spray foam wall insulation in my home or business building?

Spray polyurethane foam possesses greater thermal insulation properties than standard fiberglass batt insulation. Moreover, it has the capacity to fill all gaps and spaces within the wall cavity to form a solid envelope around your home or business property, providing a superior barrier against outside weather conditions.

Do foam roofs require a lot of maintenance?

No. However, it is important that foam roofs be kept free of debris where standing moisture can collect, and that all roof drains and rain gutters likewise be kept free of debris. Corona Coatings offers a routine annual maintenance service for this purpose.

Are Foam Roofs Fire Safe?

Yes. The foam roofing systems Corona Coatings installs have a Class A fire rating.

Will a foam roof applied over my existing home or business roof cause my roof to be too heavy?

No, though polyurethane foam roofing systems are available in different densities for commercial and residential applications, all of these systems are extremely lightweight, and will not cause your roof to be noncompliant with current building code. In fact, for existing gravel roof systems, we will remove the gravel from your roof before we apply our foam roof, relieving your home or commercial roof of thousands of pounds of structural load.

Will a foam roof be damaged by foot traffic?

No, polyurethane foam roofs are extremely strong yet flexible, and can easily withstand foot traffic and other weight requirements.

Are polyurethane foam roofs UV protectant?

Yes. All polyurethane foam roofs are coated with a rubberized acrylic elastomeric coating layer which serves as an impenetrable barrier against UV rays.

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