Patent ID: 11959210
Assignee: OWENS CORNING INTELLECTUAL CAPITAL, LLC
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  B  E | IPC B  D  E

Claim 15:
16. A facer for a construction board comprising the nonwoven fiber mat of claim 1 and a facer coating applied to at least a portion of the nonwoven fiber mat, when the facer has a basis weight of about 0.05 to about 0.08 lb/ft2 (about 244 to about 391 gsm) and about 10% to about 30% by weight solids of the two-part binder system and facer coating based on the total weight of the facer, the facer has an average Gurley gas permeability of about 1400 s to about 2150 s.