Patent ID: 8080133
Filing Date: 2011-12-20
Classification: C04B,C08L,E04B,Y02W,Y10T

Abstract:
1. A method for manufacture of a building panel, the method comprising the steps of: forming an aqueous slurry including an inorganic fiber component, starch, water and a renewable component; forming a base mat on a foraminous wire from said aqueous slurry; removing water from said base mat; and finishing said dewatered base mat to form a panel, the panel including about 0.1% to about 95% renewable component based on the weight of the panel after water removal and wherein the panel has at least one of a Ceiling Attenuation Class value of at least about 25, a Noise Reduction Coefficient value of about 0.25 and a Sound Transmission Class value of at least about 25.