| Environmental Characteristics HFCs none PBDEs none Corrosiveness negative VOC's after 30 days aging none detectable Flammability Characteristics U.S.A. Flame spread ASTM E84 * <20 Smoke developed <400 Fuel contribution zero Oxygen index 23 *Flame spread rating is not intended to reflect hazards under actual fire conditions Physical Properties Density 0.5lb/cf Thermal Resistance R-3.6/in Heat flow reduction through 1" 80% Heat flow reduction through 3.5" 93% Heat flow reduction through 5.5" 95.5% Heat flow reduction through 10" 98% Vapor permeance - 3.5" 24 perms Sound transmission class 37 (2x4 assembly) Noise reduction coefficient 70 Evaluations and Approvals ICC-ESR 1826, C.C.M.C 12070-R This is a summary of the product specification. Please ask for and read the full product specification before using. |