Insulation board

Details Insulation board Insulation board

1982-06-21

1983-06-14

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

523096, 428288, 4283115, 4283126, 4283166, 428332, 428401, 428429, B32B 1710, B32B 518, B32B 532

Patent

active

043883664

ABSTRACT:
An insulation board comprising a plastic foam layer which is covered by at least one facing sheet, the facing sheet comprising 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.

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: 4265962 (1981-05-01), May
patent: 4279958 (1981-07-01), Ahmad
patent: 4283457 (1981-08-01), Kolsky et al.

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