How long does spray foam last for?
Spray foam is a cellular plastic insulation. Essentially it is plastic with bubbles of heat resistant gas (like a low E- argon window). If spray foam is keep out of the elements it will last forever. The fact it does not sag or settle and maintains its R-Value makes spray foam the best investment you can make into your home or building. Old technology fiberglass batt insulation is affected by moisture, air movement, mechanical ventilation and settles leaving gaps, all off these factors contributes to reduced efficiency and higher operating costs of your building or home.