Process for sealing a sloped metal roof

Details Process for sealing a sloped metal roof Process for sealing a sloped metal roof

1994-08-31

1996-01-02

Friedman, Carl D.

Static structures (e.g., buildings)

Processes

Sealing

52411, 5274611, E04B 100

Patent

active

054797535

ABSTRACT:
A process for sealing roof seams in a corrugated sloped metal roof comprises applying elongated strips of a flexible hot melt thermoplastic bituminous composite material to the seams and the edges of the roof surface immediately adjacent thereto but not over the whole roof surface. The bituminous composite material has an elevated operating temperature of about 500.degree.-600.degree. F. or greater. The bituminous composite material is heated to at least a point wherein the material becomes soft and semi-molten so as to conform to the surface of the roof and the convolutions of the corrugations and bonds to the roof surface. Prior to applying the bituminous composite material, a compatible metal primer is applied to the roof seams. The bituminous composite material is troweled into shape while it is still hot. An alternative application method comprises applying the material between overlapping roof sheets.

REFERENCES:
patent: 4597234 (1986-07-01), Simpson
patent: 4873807 (1989-10-01), Filip
patent: 5018329 (1991-05-01), Hasan et al.
patent: 5392583 (1995-02-01), Gregory

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