E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 1/22 (2006.01)
Patent
CA 2216026
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 material 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 weather protective layer over the laminated recovery boards.
Méthode de réfection de toiture comprenant la pose de planches de recouvrement stratifiées sur un platelage, et l'application d'une couche de protection contre les intempéries sur ces mêmes planches. Ces dernières comprennent une âme de mousse (11) choisie dans le groupe des matériaux de polyisocyanurate et de polyuréthane et de leurs mélanges; et une première et deuxième (12, 13) surface entre lesquelles l'âme est prise en sandwich, les surfaces comprenant une pellicule de polymère contenant un matériau de renforcement choisi parmi le groupe des fils et des fibres de verre et de leurs mélanges, où la pellicule de polymère est choisie dans le groupe des latex de polypropylène et de polymère. La méthode comprend aussi l'application d'une couche de protection contre les intempéries sur les planches de recouvrement stratifiées.
Bridgestone/firestone Inc.
Ogilvy Renault
LandOfFree
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