Laminated insulating board

Details Laminated insulating board Laminated insulating board

1979-09-06

1980-11-11

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428246, 428251, 428284, 428285, 428310, 428313, B32B 518

Patent

active

042333571

ABSTRACT:
An insulating board of excellent properties is made from a core of foamed phenol-formaldehyde resin which has a closed cell content of at least 85%, laminated on at least one face using a water-based natural rubber latex adhesive with a glass fibre tissue or cloth. The laminate has good fire resistance and can be bonded to roofs etc. using hot bitumen.

REFERENCES:
patent: 3968300 (1976-07-01), Moss et al.
patent: 4028158 (1977-06-01), Hyschen et al.

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