METHOD OF MANUFACTURE FOR TEXTURED SURFACE PANELS

摘要

An improved method for texturing gypsum fiber panels and producing surface textured panels, edge tapers, and deeper patterned wainscot-type panels, involving the use of a flexible die (20) with a textured surface. The die (20) is pressed onto the panel in its slurry state just after the onset of an exothermic rehydration reaction. Partial hydration and setting occur during pressing by the die (20) to form a textured mat (M). The mat (M) is removed from contact with the die at a point along the rehydration temperature curve about at or less than one-half of the rise to the greatest rehydration temperature.