B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/18 (2006.01) B29B 17/00 (2006.01) B32B 7/02 (2006.01) B32B 33/00 (2006.01) E02D 31/02 (2006.01) B29C 47/00 (2006.01)
Patent
CA 2171150
An exemplary method for waterproofing and protecting a water-penetrable surface comprises the steps of applying a waterproofing agent, preferably a preformed waterproofing membrane laminate, onto a substrate surface such as a sub-grade vertical concrete wall, and subsequently placing against the waterproofed surface a protective non-friable extruded thermoplastic synthetic polymer sheet. The extruded sheet may comprise virgin or scrap thermoplastic polymer materials such as polyethylene, polypropylene, a polyamide, or a combination thereof. The scrap materials may be cross-linked or even highly cross-linked. The sheet may also comprise foamed thermoplastic materials. Waterproofing structures are also disclosed.
Becraft Michael Lee
Chetan Makam Sathyanarayana
Havens Marvin Russell
Jenkins Robert Francis
Leon Craig Kimbal
Smart & Biggar
W.r. Grace & Co.,-Conn.
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