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Spray polyurethane foam, commonly referred to as SPF and used in many San Jose commercial roofing projects, is a spray-applied insulating foam plastic. The two chemical components are combined as they pass through the spray gun and contact the substrate as a liquid. As the two components chemically react they expand in volume by 20 times and form a strong, rigid material with a density of 2.5 to 3.0 pounds per cubic foot and a compressive strength of 40 to 50 pound per square inch.

What is Foam Roofing?

Specialized equipment is used to apply the SPF and proper technical training is essential to obtain the best results for any roof in Silicon Valley, San Jose, the East Bay and over the entire Central and Northern California area.

When used as a roofing material in a San Jose Commercial roofing project, SPF provides:

  • A waterproof roofing membrane
  • Added insulation
  • An air barrier
  • Sound attenuation
  • Structural properties
  • Fire retardancy
  • Light weight
  • Renewability
  • Sustainability
  • Condensation control
  • Affordability

SPF is the king of roof building material multi-tasking. In insulation, it can provide high levels of R-value, while providing air barriers and assistance in moisture control in buildings. In roofing, it insulates and eliminates thermal bridging through fasteners and gaps in insulation boards.

SPF roofing is “green” roofing, renewable and sustainable. With proper maintenance and recoating at 20 year intervals an SPF roof will last the life of the building. Bright white topcoat meets “Cool Roof,” Energy Star, and LEED Certification requirements.