Patent ID: 11898049
Assignee: AWI LICENSING LLC
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  E | IPC C  E

Claim 19:
20. A building system comprising:
a plurality of building panels having at least a first building panel and a second building panel;
a coating over the first building panel and the second building panel; and
a seam-filling material between the first building panel and the second building panel;
the coating comprising:
a binder;
a pigment blend comprising titanium dioxide, calcium carbonate, and diatomaceous earth; and
a viscosity modifier;

wherein the viscosity modifier comprises a humectant and a dispersant;
wherein the humectant and the dispersant are present in a weight ratio ranging from about 1:1 to about 4:1;
wherein the pigment and the binder are present in a weight ratio of at least about 7:1; and
wherein the binder comprises styrene acrylic copolymer or polyvinyl acetate.