Sealing sheets for roofs

Details Sealing sheets for roofs Sealing sheets for roofs

1988-09-22

1991-06-18

Herbert, Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

427222, 427404, 4274071, 428 99, 428343, 428489, 428500, B32B 1104, B32B 712, B05D 136

Patent

active

050248863

ABSTRACT:
Sealing system for roofs by means of two successive sealing layers. The first sealing layer is mechanically attached to the support and the second, self-adhesive, sealing layer is attached to the first sealing layer by cold self-adhesion. The first sealing layer comprises sealing sheets made up by the assembling of one asphalt-base sheet reinforced by an armature and of a film of a polymer having a high tear resistance.

REFERENCES:
patent: 4386981 (1983-06-01), Clapperton
patent: 4396665 (1983-08-01), Rowe
patent: 4559267 (1985-12-01), Freshwalter et al.
patent: 4589804 (1986-05-01), Paeglis et al.

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