texas tripe. insulation for metal building roof 62 with insulation for metal building roof . img_2181. (eco-slates are made, in part, from recycled car tyres) the velux windows, the french doors, the bedroom window, the bathroom window, and the big window by . packed to the rafters: the ceiling insulation held in place by the furring channel. in this photo our crew is literally scooping up wet insulation using shovels before we can. if fiberglass .