Patent ID: 11865579
Assignee: USG INTERIORS, LLC
Field: Surface technology, coating (Chemistry)
Classification: CPC B  E | IPC B

Claim 8:
9. A method of applying a coating to a fibrous panel, comprising:
providing a fibrous panel comprising a basemat and a porous veil laminated to the basemat, the porous veil is a high airflow porous veil having an airflow rate of about 3000 to about 4000 liters of air per square meter of sample per second (l/m2/s) and is substantially free of brighteners and fillers;
applying a first coating composition, via curtain coating, on the high airflow porous veil to form a prime coat layer;
drying the prime coat layer;
applying a second coating composition, via spray coating, over the prime coat layer to form a finish coat layer; and
drying the finish coat layer.