... with Al. foil, black fiberglass tissue, black fabric,kraft or PVC film.Fiberglass Wool boardsFeatures:1) Fiberglass Wool boards, made ... perforation Al. foil, black fiberglass tissue,black fabric, kraft or PVC film.Fiberglass Wool pipeFeatures:1) Fiberglass Wool pipe, made ... for customersif necessary.Rock wool board or matFeatures:1) Rock wool board or mat, made from basalt fiber, is heat-insulation mat ...