Apparatus for roof flashing

Static structures (e.g. – buildings) – Exterior-type flashing

Patent

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Details

52 94, 285 43, E04D 1314

Patent

active

045121192

ABSTRACT:
Apparatus for flashing rooves, particularly inclined rooves, around vent pipes or the like using a relatively thin sheet of material to surround the pipe (10) and form part of the roof. The apparatus comprises an inner sleeve member (12) adapted to fit over the pipe (10) and pass through a hole in said sheet which accommodates the pipe. The sleeve (17) has an inclined flange (13) which bears on the underside of said sheet (11). A further similar sleeve (16) is adapted to fit over the inner sleeve (12). The outer sleeve (16) has a flange (17) which bears on the upper surface of the sheet (11) and a locking cap (18) threadably engages the upper end of said inner sleeve (12) in a manner forcing the outer sleeve (16) downwardly such that the two flanges (13, 17) clamp the sheet therebetween. An annular rubber washer is provided for insertion between the flange (17) and the sheet (11) to form a weather seal and a neoprene weather apron (19) is provided to slide over the pipe (10) in resilient engagement therewith to provide weather protection over said locking cap (19). The apparatus avoids the need for using relatively thick lead sheets in roof flashing and also saves time in installation.

REFERENCES:
patent: 969476 (1910-09-01), Holt
patent: 1299423 (1919-04-01), Bropson
patent: 1626808 (1927-05-01), Gibson
patent: 2705542 (1955-04-01), Yavicth
patent: 3181899 (1965-05-01), McKnight
patent: 3977137 (1976-08-01), Patry

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