DESIRABLE FEATURE Fiberglass Batts Wet Sprayed Cellulose Urethane Foam Blow-In-Blanket® Perfect fit every time X Air barrier not required X Won't permit convection X X X Impermeable to moisture X Performance stability X X No framing distortion X X X Won't wick / absorb water X X No formaldehyde content 1 type only X X No CFCs / HCFCs used X X X No settling / sagging X X Won't support combustion X X Doesn't shrink X X No drying time required X X X Easy to remove X X X No food value for termites X X X No harmful emissions X X X No horizontal sagging X X Closed cavity injectable X COUNT 10 5 8 16