Roofing sheet

Details Roofing sheet Roofing sheet

1977-07-05

1979-03-13

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Imperforate panel with integral reinforcing

29455LM, 428180, 52450, E04C 232

Patent

active

041434994

ABSTRACT:
A corrugated roofing sheet has special elevations formed in the wave crest of the sheet, the elevations being contoured to increase the sheet's rigidity while permitting the elevations to function as a ladder. The elevations provide effective rigidfying while leaving the valleys of the sheet corrugations free for drainage.

REFERENCES:
patent: 1616968 (1927-02-01), Hall
patent: 3217845 (1965-11-01), Reynolds et al.

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