Patent ID: 6365533
Filing Date: 2002-04-02
Classification: D04H,E04B,Y10T

Abstract:
A dry, flexible facer containing less than 50% fibers adapted for bonding to a cellular material of construction or insulation which comprises a non-asphaltic, non-cellulosic fiber mat substrate of between about 10 and about 30 mils thickness, said mat having one uncoated surface and an opposite surface coated with a 5 to 100 mil thick coating of a prefoamed, self-sustaining foam mixture comprising, on a dry basis, (a) between about 15 and about 80 wt. % of a thixotropic polymer latex, (b) a strengthening or fire retarding amount of an inorganic filler and (c) a foam building, foam sustaining amount of an ammonium salt of a C10 to C22 fatty acid.