作者: Bruce M. Torrey , Scott A. Ravech
DOI:
关键词:
摘要: This invention is directed to a composite security wall system having high impact performance and meets certain fire codes. The comprises thermoplastic sheet preferably polycarbonate dry type product such as gypsum board, laminated together with an adhesive. then fastened studs the on inside, i.e. in contact studs. When thus so placed, provides