Method and composition for coating mat and articles produced therewith
AssigneeAtlas Roofing Corporation
InventorsWilliam M. Gay, Robert H. Blanpied, Philip W. Bush, Richard L. Donald, James L. Williams, James H. Williams
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Abstract
A coating composition and method of producing a non-porous mat includes coating a predominantly glass fiber porous web substrate. The coating comprises an aqueous mixture of a mineral pigment; a first binder material comprised of a polymer latex adhesive material; and, a second binder material comprised of asphalt emulsion material. The total dry weight basis of both binders does not exceed 24% of the total coating.
Claims14
A method of producing a non-porous mat comprising the coating of a predominantly glass fiber porous web substrate with a coating mixture, said coating mixture comprising an aqueous mixture of:
- (1) at least one mineral pigment;
- and,
- (2) a first binder material comprised of a polymer latex adhesive material;
- and,
- (3) a second binder material comprised of a water emulsion of asphalt;
- and wherein the total dry weight basis of both binders does not exceed 24% of the total coating.
A coating mixture for coating a predominantly glass fiber porous web substrate with a coating mixture, said coating mixture comprising an aqueous mixture of:
- (1) at least one mineral pigment;
- and,
- (2) a first binder material comprised of a polymer latex adhesive material;
- and,
- (3) a second binder material comprised of a water emulsion of asphalt;
- and wherein the total dry weight basis of both binders does not exceed 24% of the total coating.
Dependencies are inferred from the claim text.