Insulation board

Details Insulation board Insulation board

B - Operations, Transporting

32

B

154/122

B32B 17/04 (2006.01) B32B 5/18 (2006.01) B32B 17/10 (2006.01) E04C 2/24 (2006.01)

Patent

CA 1193533

ABSTRACT OF THE DISCLOSURE 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 nonwicking 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.

421193

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