Composite foam roof insulation

Details Composite foam roof insulation Composite foam roof insulation

1978-03-23

1980-10-14

Murtagh, John E.

Static structures (e.g., buildings)

With synthetic resinous component

Foam

52451, 52674, 428137, 428156, 428314, E04C 226

Patent

active

042273560

ABSTRACT:
A heat-insulating sandwich-like composite comprising a core of foamed resin based compound sandwiched between and adhering to single face corrugated board with a high wet strength. The single face corrugated board is perforated prior to foaming of the resin based compound so as to allow the excess of volatile matter to escape and some foaming mixture to penetrate inside the corrugated flute. The composite board further is provided with post-perforations made after foaming the resin compound between the corrugated board skins.

REFERENCES:
patent: 1115593 (1914-11-01), Sexton
patent: 1177361 (1916-03-01), Schumacher
patent: 2694025 (1954-11-01), Slayter
patent: 3135069 (1964-06-01), Schuller
patent: 3174887 (1965-03-01), Voelker
patent: 3246058 (1966-04-01), Voelker
patent: 3345245 (1967-10-01), Hanusa

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