Exterior sheathing weather barrier construction and method of manufacture

摘要

A gypsum board panel comprises two facing main surfaces, at least one machine edge surface 295 with three dimensional features, at least one bull edge surface, and an outer gypsum layer 295 to which a polymer additive has been added. An adhesive material 385 which can form chemical cross-linking, co-polymer bonds with said polymer additive with the polymer additive in the outer gypsum layer is disposed on the machine edge surface.