Insulation board

Details Insulation board Insulation board

1983-03-10

1983-11-08

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428286, 428288, 4283115, 4283166, 428332, 428401, B32B 1710, B32B 518, B32B 532

Patent

active

044142650

ABSTRACT:
An insulation board comprising a plastic foam layer which is covered by at least one facer, the facer comprising (a) a sheet of glass fibers bonded to each other by a bonding agent, the fibers and bonding agent being coated with a non-wicking agent, whereby, although the fibrous facing sheet is porous to permit venting of gases and vapors, it is substantially liquid-repellant to prevent bleed through by various types of liquids, and (b) a scrim between the facing sheet and the plastic foam layer, the scrim comprising a sheet, preferably made of glass fibers similar to the facing sheet, and having a pattern of glass strands over one face thereof.

REFERENCES:
patent: 3483664 (1969-12-01), Funk et al.
patent: 3579540 (1971-05-01), Ohlhausen
patent: 3756895 (1973-09-01), Bellamy
patent: 3773603 (1973-11-01), Scholander
patent: 4073997 (1978-02-01), Richards et al.
patent: 4073998 (1978-02-01), O'Connor
patent: 4086384 (1978-04-01), Adelman et al.
patent: 4121958 (1978-10-01), Koonts
patent: 4263360 (1981-04-01), Adelman
patent: 4265962 (1981-05-01), May

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