Yes. A popular retro-fit use for spray foam insulation calls for foam to be sprayed directly to the underside of roofing system. This replaces the conventional blown in insulation used in the ceilings. Spray Foam can also be applied in the basement / crawl space to eliminate air infiltration from the ground.
How does spray polyurethane insulation compare with glass fiber batts and blown-in cellulose?
Glass fiber batts will not stop air leakage (it might filter out some dirt and dust). Blown-in cellulose will slow down air leakage. Spray polyurethane insulation will stop air leakage . . . dead. Glass fiber batts have an R-value of about 3.5 (1-inch thickness). Blown-in cellulose has an R-value of about 3 to 4
Will I save money if I insulate with EcoMech spray polyurethane insulation?
Yes! The installed cost of spray polyurethane is somewhat higher than traditional fiber batts or blown-in cellulose. However, the higher initial cost is partially offset because you need not ventilate the roof, the HVAC system is downsized and you will save in your heating fuel and electric bills. Studies suggest that homes insulated with spray polyurethane
Will spray polyurethane insulation lose R-value over time?
When first installed, spray polyurethane foam’s R-value is about 10 for a one-inch thickness. Over time, the R-value drops to between 6.5 and 7.0 (one inch) and stabilizes at that value. The time it takes to reach an R-value of 6.5 to 7.0 depends on a variety of factors, including total foam thickness. We report
Can spray polyurethane insulation be applied directly to electrical wiring? What about installed electrical devices like recessed lights?
Spray polyurethane can be applied directly to electrical wiring. Recessed lights or other fixtures may require a certain amount of air circulation around them for cooling purposes. In these cases, a box can be build around the fixture with gypsum wall board; then spray foam can be sprayed directly to the outside of the box.
Will spray polyurethane insulation deteriorate over time?
Not that we’re aware of. We’ve looked at 20-year old spray foam projects and we have not observed any signs of deterioration. We expect our spray polyurethane insulation system to insulate and seal your home for the life of the house.
How long has spray polyurethane been used to insulate houses?
Spray polyurethane foam was commercially developed in the United States in the mid-1960’s. Homes have been insulated with spray foam since that time.
Will spray polyurethane insulation absorb or entrap moisture?
Most moisture problems in houses are due to moisture entry from air leakage. Because spray polyurethane insulation provides such an excellent air barrier, this source of moisture is virtually eliminated. Other potential sources of moisture can be excluded with proper construction techniques and materials. Unusual building use (such as freezers or swimming pool buildings) may
Does spray polyurethane foam contain formaldehyde?
What equipment do I need to apply spray polyurethane insulation?
Required equipment elements include a plural component proportioner pump with heaters, dual high pressure heated hoses, high pressure mixing and spray gun, and feed pumps and hoses. In addition, an air compressor and electrical generator may be needed.
