Insulating and impervious roofing panels and a process and appar

Details Insulating and impervious roofing panels and a process and appar Insulating and impervious roofing panels and a process and appar

1983-10-31

1987-09-22

Bell, James J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156250, 156289, E04B 200

Patent

active

046953388

ABSTRACT:
This invention relates to a fibrous panel and to a process and apparatus for its manufacture, the panel includes a dense felt mat (2) of mineral fibres having on at least one of its main surfaces an impervious covering (3, 7) consisting of a reinforcing layer (3) of mineral fibres impregnated with a binder, for example bitumen, and bonded to the felt (2) by the binder, and having, on the external surface, a sheet of separating agent (7) glued to the reinforcing layer (3) by the binder, the agent (7) being self welding in the heat. The panels according to this invention are advantageous for the insulation and weatherproofing of roofs, especially those with only a slight slope, in particular on account of their reliability in use as well as that of the impervious coverings for which they serve as support.

REFERENCES:
patent: 3922425 (1975-11-01), Plumberg
patent: 4259127 (1981-03-01), Schachter

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