B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/121.01
B32B 5/26 (2006.01) B32B 5/18 (2006.01)
Patent
CA 1197764
ABSTRACT OF THE DISCLOSURE 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, the fibers being 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, prefereably made of glass fibers similar to the facing sheet, and having a pattern of glass strands over one face thereof.
435577
Lister Neil K.
Rosato Dennis W.
Millmaster Onyx Group Inc.
Ridout & Maybee Llp
LandOfFree
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