Abstract: A gypsum wallboard suitable for Level 4 finishing having a coated non-woven first glass fiber mat facing material on one major surface and an optionally coated second glass fiber mat where on the other major surface. The first glass fiber mat has a majority of fibers of a nominal fiber diameter between 8 and 11 microns and a fiber length between ¼ and ¾ inch and has a basis weight between about 1.7 lb./100 ft.2 and about 2.0 lb./100; the second glass fiber mat has a majority of fibers of a nominal fiber diameter of at least 13 microns but no greater than about 16 microns and a fiber length between ¾ and 1 inch and has a basis weight between about 1.8 lb./100 ft.2 and about 2.2 lb./100, and wherein the fibers in both of the non-woven glass fiber mats are bound together with an acrylic-type adhesive binder.

Abstract: A gypsum wallboard suitable for Level 4 finishing having a coated non-woven first glass fiber mat facing material on one major surface and an optionally coated second glass fiber mat where on the other major surface. The first glass fiber mat has a majority of fibers of a nominal fiber diameter between 8 and 11 microns and a fiber length between ¼ and ¾ inch and has a basis weight between about 1.7 lb./100 ft.2 and about 2.0 lb./100; the second glass fiber mat has a majority of fibers of a nominal fiber diameter of at least 13 microns but no greater than about 16 microns and a fiber length between ¾ and 1 inch and has a basis weight between about 1.8 lb./100 ft.2 and about 2.2 lb./100, and wherein the fibers in both of the non-woven glass fiber mats are bound together with an acrylic-type adhesive binder.

Abstract: A gypsum wallboard suitable for Level 4 finishing having a coated non-woven first glass fiber mat facing material on one major surface and an optionally coated second glass fiber mat where on the other major surface. The first glass fiber mat has a majority of fibers of a nominal fiber diameter between 8 and 11 microns and a fiber length between ¼ and ¾ inch and has a basis weight between about 1.7 lb./100 ft.2 and about 2.0 lb./100; the second glass fiber mat has a majority of fibers of a nominal fiber diameter of at least 13 microns but no greater than about 16 microns and a fiber length between ¾ and 1 inch and has a basis weight between about 1.8 lb./100 ft.2 and about 2.2 lb./100, and wherein the fibers in both of the non-woven glass fiber mats are bound together with an acrylic-type adhesive binder.

Abstract: A gypsum panel suitable for use in constructing a roof deck comprising a set gypsum core having at least about 0.3 pounds of reinforcing fibers per 100 square feet and a density sufficient to provide a board weight of 130 lbs per 100 square feet, where the core sandwiched between and faced with coated non-woven fibrous mats, wherein the free surface of each mat is pre-coated with a combination of a mineral pigment and a polymer latex adhesive binder applied to the mat surfaces as an aqueous coating composition.

Abstract: Disclosed are fibrous mat-faced gypsum boards with improved resistance to skin irritation and itching. The boards include a mat facing in which the fibrous portion thereof comprises both inorganic and organic fibers, with organic fibers preferably being present in amount from about 5% to about 25% by weight of the total fibers.