Handi-Foam Quick Cure and E-84 Class 1 Spray Foams are chemically cured systems and the cure process occurs very quickly - generally within minutes. Due to their excellent adhesion properties they provide excellent insulation by creating a continuous air barrier that completes the building envelope. This helps to improve indoor air quality, lowering heating and cooling costs and drastically reduce energy consumption. Handi-Foam Quick Cure and E-84 Class 1 assist in attaining ENERGY STAR rating and/or LEED credits.