Method for patching single ply roof

Details Method for patching single ply roof Method for patching single ply roof

1994-06-10

1995-09-05

Friedman, Carl D.

Static structures (e.g., buildings)

Processes

Sealing

52411, 52514, 52746, 156 71, 156 94, 1563086, E04G 2303

Patent

active

054470064

ABSTRACT:
A low cost relatively simple method is presented for patching single ply roof membrane derived from chlorosulfonated polyethylene by using a procedure involving N-methyl-2-pyrrolidone or NMP chemical liquid activator with proper steps therebetween and subsequently completing the patching method by following standard known welding procedures. This method results in a welded seam that can be made as strong as the roof membrane itself.

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patent: 5302457 (1994-04-01), Sheahan
"Patch With Plastics", Modern Plastics, Dec. 1955 pp. 98-100, 222.
ARCO Chemical; NMP M-Methyl-2-Pyrrolidone.

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