An insulating board

Details An insulating board An insulating board

B - Operations, Transporting

32

B

B32B 5/12 (2006.01) B29C 44/32 (2006.01) B29C 67/20 (2006.01) B32B 5/18 (2006.01) B32B 5/26 (2006.01) B32B 17/04 (2006.01) E04B 1/80 (2006.01) E04C 2/292 (2006.01) E04C 2/296 (2006.01)

Patent

CA 2276593

A fire retardant insulating board 1 comprises a foam core 2 having facings 3, 4 on both faces thereof The foam core is reinforced by a glass fiber scrim 5 having a weight of from 8 to 24, preferably 10 to 20 and ideally approximately 13.6 g/m2 of board. To produce the board 1 in a continuous manufacturing process the facings 3, 4 with the scum 5 and foam reactants are passed under a nip bar 30 to thoroughly wet out the scrim 5 before allowing the foam to expand.

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