Patent ID: 6368991
Filing Date: 2002-04-09
Classification: D04H,E04B,Y10T

Abstract:
An insulation board member having a cellular, non-elastic core and top and bottom board surfaces in combination with a dry, cured, flexible facer comprising a non-asphaltic, non-cellulosic fiber mat substrate containing less than 50 wt. % fibers and having a first uncoated mat surface and a second mat surface coated with 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 sustaining amount of an ammonium salt of a C10 to C22 fatty acid, said board member bonded to the uncoated surface of said facer.