发明名称 ROOFING MEMBERS HAVING IMPROVED DIMENSIONAL STABILITY AND RELATED METHODS.
摘要 A method of reroofing a roof comprises applying laminated recovery boards of the present invention to a roof deck; and, applying a weather protective layer over the recovery boards. The laminated recovery boards comprise foam core (11) selected from the group consisting of polyisocyanurate and polyurethane materials and mixtures thereof; and first and second facers (12, 13), between which the foam core is sandwiched, the facers comprising a polymer sheet containing a reinforcing materials selected from the group consisting of glass strands, glass fibers, and mixtures thereof, wherein the polymer sheet is selected from the group consisting of polypropylene and polymer latexes; and, applying a wheather protective layer over the laminated recovery boards.
申请公布号 MX9706590(A) 申请公布日期 1998.03.31
申请号 MX19970006590 申请日期 1997.08.29
申请人 BRIDGESTONE/FIRESTONE, INC. 发明人 JOHN B. LETTS
分类号 E04D1/22;(IPC1-7):E04D11/00 主分类号 E04D1/22
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