Flexible high collar roof flashing

Details Flexible high collar roof flashing Flexible high collar roof flashing

1992-09-02

1995-02-21

Friedman, Carl D.

Static structures (e.g., buildings)

Exterior-type flashing

52 60, 52198, 285 43, F04D 136

Patent

active

053904516

ABSTRACT:
A roof flashing for sealing an opening in a roof through which an upstanding pipe extends includes a base member having an opening for passage of the pipe and a collar attached to the base member surrounding the opening in the base member for receipt of the pipe when the base member is attached to the roof. The collar has corrugations which permit the collar to be expanded and compressed to different lengths to accommodate different length pipes within the collar. The corrugations at the outer end of the collar are flattened out to facilitate folding of the outer end over an upper end of the pipe to form a watertight seal between the collar and pipe.

REFERENCES:
patent: 1287235 (1918-12-01), Cole
patent: 1615929 (1927-02-01), Buckles et al.
patent: 3098663 (1963-07-01), Dibley
patent: 3313559 (1967-04-01), Kifer
patent: 3636880 (1969-04-01), Kifer
patent: 3977137 (1976-08-01), Patry
patent: 4010578 (1977-03-01), Logsdon
patent: 4160347 (1979-07-01), Logsdon
patent: 4265058 (1981-05-01), Logsdon
patent: 4526407 (1985-07-01), Kifer
patent: 4652321 (1987-03-01), Greko
Aztek Washer Company catalog titled MASTER FLASH.RTM. Universal Pipe Flashing System, copyright 1991.

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