Patent ID: 6703331
Filing Date: 2004-03-09
Classification: B28B,B32B,C04B,E04C,Y10T

Abstract:
A fungus resistant gypsum board, comprising:a first polymeric fibrous sheet, said first sheet having a first surface and opposite first and second edges; a second polymeric fibrous sheet, said second sheet having a first surface and opposite first and second edges; a gypsum core sandwiched between said first and second sheets, said gypsum core containing less than 0.03% by weight, based on the weight of the dry gypsum core, of formulation additives that serve as fungus nutrients; and a synthetic adhesive on the first and second edges of said second sheet, said synthetic adhesive adhering the first edge of said first sheet to said first edge of said second sheet, and adhering the second edge of said first sheet to the second edge of said second sheet.