Description PEB (Pre-Engineered Building) insulation glass wool is a lightweight,Website:://.unitedglasswool.com, strong, resilient and easy to handle flexible rolls or slabs of fiber glass wool composed by unique patented centrifugation technology, molten glass fibrosis and to be thermosetting resin-based environment-friendly recipe binder processing. There are many different laminated insulation facing can be used according to requirements. Both of faced and un-faced glass wool rolls and slabs are the best insulation materials for Pre-Engineered Building.AVAILABLE FORMS Un-faced or Plain rolls and slabs are designed for PEB thermal and acoustical applications.Faced is available with Aluminum foil-Scrim-Kraft (FSK), High strength polypropylene based