Protection membrane

Details Protection membrane Protection membrane

1987-05-14

1988-12-06

Cannon, James C.

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Halogen containing compound

428107, 428109, 428110, 428112, 428138, 428192, 428291, 428351, 428354, 428440, 428489, 428 57, B32B 306, B32B 310, B32B 314, B32B 330, B32B 502

Patent

active

047895780

ABSTRACT:
The invention relates to protective waterproof membranous sheeting which will prevent the passage of water and corrosive salt solutions into structures.
The protection membrane comprises a bituminous adhesive waterproof sheet 1, a flexible polymeric protection grid 2 and a release sheet 3. The waterproof sheet 1 may comprise a fibre core in a matrix of a polymer modified bitumen polymer. The protection grid is partially embedded in the waterproof sheet 1, and is formed with drainage channels 13,14 on each face, provided by ribs or strands 4 and 5 defining the grid. The aperture size of the grid may be up to about 10 mm across. A filter web may be fixed to the face of the grid.

REFERENCES:
patent: 3091898 (1963-06-01), Fasold et al.
patent: 3607589 (1971-09-01), Schirtzinger
patent: 3967039 (1976-06-01), Plotz et al.
patent: 4219603 (1980-08-01), Thun
patent: 4351873 (1982-09-01), Davis
patent: 4617221 (1986-10-01), von der Chys

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