Seam for joining roofing panels and method therefor

Static structures (e.g. – buildings) – Bridger strip hiding juncture of panels – Interfitted with surfacing section

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52520, 52748, E04C 134

Patent

active

043075533

ABSTRACT:
The seam joins metal roofing panels of the standing rib type with a water-tight seal. The seam utilizes an integral sealing cap having distal flanges, reentrant flanges and a web which is planar prior to bending. The sealing cap encloses a standing rib joint defined by upstanding flanges each having a plurality of tabs extending therefrom. The web of the cap and the tabs are bent into inverted U-shaped configurations. The tabs are captivated between the reentrant flanges and the bent over web thereby locking the panels together. Sealant carried by the distal flanges is compressed between the same and the upstanding flanges to form a water-tight seal. A method for forming the seam is also provided.

REFERENCES:
patent: 1292960 (1919-01-01), Owens
patent: 3213583 (1965-10-01), Winski
patent: 3555758 (1971-01-01), Schroter
patent: 3608267 (1971-09-01), Curran
patent: 3898783 (1975-08-01), Matlock et al.
patent: 4009548 (1977-03-01), Hicks
patent: 4034530 (1977-07-01), Vallee
patent: 4064819 (1977-12-01), Fox
patent: 4168596 (1979-09-01), Yoder, Jr.
patent: 4193242 (1980-03-01), Vallee
Superseal, Advertisement from Metal Building Review, Apr. 1978, p. 19.

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