Three examples of spray foam are: 2 lb. density closed celled spray foam, 1/2 lb. density opened spray foam and 3 lb. density closed celled roofing foam.
2 lb. Density Spray Foam
has a "Real World" R-Value that is uncomprimised by external forces like temperature and wind. As temperature drops, convection currents speed up and other insulations may lose their effectiveness at slowing them down. on the other hand stops convection. Wind is not a factor either for Polar Foam due to its continuous air tight seal.
has an R-Value of over 6 per inch, the highest R-Value on the market today, and is enviromentally friendly. It is made from annually renewable soybean oil and recycled plastic bottles. It also utilizes a zero ozone depleting substance (ZERO ODS) blowing agent. It does not contain any fibers, loose particles, VOC's (Volatile Organic Compounds) or CFC's (Chloro Flouro Carbons) that can contaminate indoor air quality. A building that is insulated and sealed with will use 50% - 80% less energy, reducing fossil fuel usage and greenhouse gas emissions. No matter how you look at it, with its high R-Value or its "Green" qualities,is a wise choice when deciding which insulation to use for your next project.
1/2 lb. Density Spray Foam
is a water blown spray applied system that cures to a semi-rigid low-density foam, it has a lower R-Value (approximately R 3.6 per inch) than 2 lb. density closed cell spray foam, but is a good air barrier and thermal insulator at a lower per sq. ft. cost. It acts as an air barrier to minimize air leakage and seal the building envelope for optimal air tightness.is safe for the environment, containing no formaldehyde or ozone depleting chemicals.
3 lb. Density Roofing Foam
is a spray applied poly-urethane rigid foam system. it is designed primarily for flat roofing coating systems on a variety of substrates including wood, metal, or concrete. Its high R-Value and seamless spray applied coating makes the of foam and coatings a smart choice when deciding to replace a flat or low sloped roof.