Flexco Medium Gray 0.08 in T x 4 in W x 1440 in L Vinyl Wall Base Landscape Design 0 inches Features Faced Unfaced Unfaced 0 inches Features Faced Unfaced Unfaced For Use in Windows No Fits 2 x 4 Walls No Formaldehyde Free No Fits 2 x 6 Walls Yes Framing Type Wood studs For Use in Attics Yes Insulation Type Stone wool For Use in Basements Yes Maximum R Value 23 Added features include a trigger switch with 2 stage lock off requiring 2 actions to power the saw and an electric brake allowing the tool to be repositioned for maximum productivity the durable finish of the wall base can resist most household chemicals offering an eco friendly option without compromising aesthetics