Vapor barrier hole plug

Details Vapor barrier hole plug Vapor barrier hole plug

1988-05-04

1989-02-28

Bell, J. Karl

Static structures (e.g., buildings)

With means for split-prevention or damaged part repair

5216914, 52101, E04G 2302, E04B 172

Patent

active

048074152

ABSTRACT:
A plug for sealing holes in concrete to prevent ingress of water and/or vapor, especially after chemical treatment for termites. The plug has a cylindrical, tapered plug body and a sealing lip flaring outwardly at the top end. The plug is fabricated of plastisol with a durometer in the range 75-80, and includes a mold release (polypropylene clylo) to aid in insertion and a fungicide (10,10,-oxybisthenoxarsine) to prevent growth of mold and algae which compromise the seal.

REFERENCES:
patent: 293726 (1884-02-01), Fancher
patent: 3390498 (1968-07-01), Roy et al.
patent: 3699854 (1972-10-01), Doherty
patent: 3889436 (1975-06-01), Elliot
patent: 4016696 (1977-04-01), Mess et al.
patent: 4301629 (1981-11-01), Farr

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