Static structures (e.g. – buildings) – With synthetic resinous component – Foam
Patent
1996-09-23
1998-04-07
Kent, Christopher
Static structures (e.g., buildings)
With synthetic resinous component
Foam
5274513, 5274611, 527941, 527961, E04C 226, E04B 700
Patent
active
057350922
ABSTRACT:
A composite recovery board (10) includes a foam core (11) selected from the group consisting of polyisocyanurate and polyurethane materials and mixtures thereof; a facer (15), applied to one major surface (13) of the foam core and formed from a sheet selected from the group consisting of reinforced polymer material and reinforced cellulosic material, wherein the polymer material and cellulosic material are reinforced with a material selected from the group consisting of glass strands, glass fibers, and mixtures thereof and, gypsum board (14), applied to the opposite major surface (12) of the foam core. A method of reroofing a roof includes applying composite recovery boards of the present invention to a roof deck; and, applying a weather protective layer over the recovery boards. A continuous method of making a composite recovery board includes feeding gypsum board (14) into a laminator assembly (21); depositing a foamable polymer liquid (36) onto the gypsum board; feeding a facer material (15) into the laminator assembly above the foamable polymer liquid; allowing the polymer liquid to rise between the gypsum board and facer material forming polymer foam of a pre-determined thickness; curing the polymer foam under heat (44) to create the composite board; and cutting the composite board to desired lengths.
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Clayton Thomas M.
Letts John B.
Bridgestone/Firestone Inc.
Kent Christopher
Troy, Sr. Frank J.
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