... glass wool. The glass wool is formed into products with various thickness and densities. When the glass wool ... broadly used on Metal Building, Compartment, Ventiduct, Vent-Pipe, Industrial Building etc as soundproof, fireproof meterials and heat ... Wool Insulation are available.Facing includes FSK facing,aluminum foil glass cloth, polypropylene facing etc. Glass wool with Aluminum Foil Insulation