Foam insulation board faced with polymer-fibrous sheet composite

Details Foam insulation board faced with polymer-fibrous sheet composite Foam insulation board faced with polymer-fibrous sheet composite

1988-01-25

1988-08-16

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264 453, 264 462, 264 463, 427373, 4283179, 4283184, 4283197, 4284228, 4284246, 428514, 428921, B32B 326, B32B 1710, B32B 2308, B32B 3114

Patent

active

047644206

ABSTRACT:
A thermally insulating structural laminate comprising a core of rigid plastic foam having two major surfaces, at least one of the major surfaces of the foam being attached to a facer comprising a fribrous sheet having at least one layer of an air- and moisture-impervious polymer disposed on the inner surface thereof and interposed between the fibrous sheet and the foam, the oxygen transmission of the polymer being a value of less than about 1 cc/100 in.sup.2 -24 hrs-atm sufficient to make the facer substantially impervious to the passage of air and water vapor, resulting in the long-term preservation of insulation value.

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