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Polyurethane Spray Foam Insulation


PSP FS210 Closed Cell

Closed-Cell Polyurethane Foam is our top selling product at Virginia Foam Insulators. Closed-cell foam is a sticky plastic that expands up to 30 times its liquid volume when sprayed, allowing it to produce an R-value per inch of 6.4+. Because of its high R-value – the unit of measurement for foam resistance and heat flow – closed-cell spray foam insulation is the best insulating product on the market today. As the plastic is sprayed, cells or bubbles in the foam are compacted together and filled with an inert gas, making the foam as dense and insulating as possible. You can see an example of this type of foam insulation keeping the air cold in your home refrigerator or freezer.

Closed-Cell Polyurethane Spray Foam

Along with its high R-value, closed-cell spray foam insulation is incredibly strong, durable and resistant to the leakage of air or water vapor. Its high density and durability make closed-cell spray foam ideal for windy, damp and water-prone locations. Customers living in coastal regions or areas of high wind or cold should consider this the product of choice. This is also the ideal insulation for crawlspaces and other damp locations. While more expensive than open-cell spray foam, at the right thickness and with proper insulation, closed-cell foam will act as an air and vapor barrier and improve the structural integrity of your home.

Recommended Product Applications

  • Walls
  • Floors
  • Unvented Crawl Spaces
  • Concrete Slabs
  • Cold Storage
  • Unvented Attics
  • Vented Attics
  • Vented Crawl Spaces
  • Ducts
  • Freezers
  • Ceilings
  • Piping
  • Foundations
  • Tanks
  • Coolers


  • Seamless Protective Building Envelope
  • Moisture and Vapor Barrier
  • Eliminate Air Infiltration
  • Excellent Adhesion
  • Highest R-value
  • Energy Savings
  • Avoids Thermal Bridging
  • Meets UL Class 1 Requirements
  • Provides a Continuous Air Barrier
  • Reduce/Eliminate Convection Currents within Walls

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