Insulation Installation Guide Vinyl Faced Fiberglass Insulation
Vinyl-faced insulation" and "Vinyl-backed insulation Vinyl Faced Metal Building Insulation - LTH Steel Structures Should I replace existing R-11 vinyl faced fiberglass with rigid foam Yes it is. I installed the 3" thick vinyl back on my shop roof. You wouldn't think it would make that much of a difference with such a low R value. ...