Thermoplastic foam insulation and drainage board and method of u

Details Thermoplastic foam insulation and drainage board and method of u Thermoplastic foam insulation and drainage board and method of u

1994-08-24

1996-04-30

Safavi, Michael

Static structures (e.g., buildings)

Specified terranean relationship

With drain or vent exterior to foundation perimeter

5216914, 523094, 405 43, 405 45, 428167, E02D 1912, E04C 232, E04C 210

Patent

active

055113460

ABSTRACT:
A rigid, thermoplastic foam board useful in below-grade residential and commercial insulating and drainage applications. The board defines a plurality of oriented channels extending therein along the board. The channel extends into the board through a relatively narrow first opening at the face into a relatively wide first zone. The channel then further extends into the board from the first zone through a relatively narrow second opening into a second zone. The board provides superior water drainage, and protects a below-grade building wall from excessive moisture. Further disclosed is a method for using the foam board in below-grade applications.

REFERENCES:
patent: 2377788 (1945-06-01), King
patent: 4309855 (1982-01-01), Pate et al.
patent: 4318258 (1982-03-01), Heck
patent: 4704048 (1987-11-01), Ahlgrimm
patent: 5056281 (1991-10-01), McCarthy

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