Vapor permeable shingles and underlayment sheeting for a roof co

Details Vapor permeable shingles and underlayment sheeting for a roof co Vapor permeable shingles and underlayment sheeting for a roof co

1993-04-22

1994-03-08

Friedman, Carl D.

Static structures (e.g., buildings)

Lapped multiplanar surfacing; e.g., shingle type

Interfitted sections

52409, 523021, 428137, E04D 100

Patent

active

052917126

ABSTRACT:
A vapor permeable roof covering comprised of an asphaltic-type shingle and a coated underlayment sheeting, the shingle and sheeting having an array of pierced openings therethrough spaced along the length and width thereof constructed and arranged to permit only the passage therethrough of water vapor under vapor pressure and concurrently prevent passage of liquid water therethrough.

REFERENCES:
patent: 2096784 (1934-07-01), Candler
patent: 2122747 (1938-07-01), Kirschbraun
patent: 4726985 (1988-02-01), Fay et al.

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