Gypsum-panel acoustical monolithic ceiling

摘要: An acoustical panel for forming a monolithic ceiling or wall, the extending across rectangular area, and having core made primarily of gypsum, being essentially coextensive with area such that it has two opposed sides, each an substantially equal to panel, multitude perforations generally between its distributed uniformly full open at both sides core, face side covered by porous layer, optionally restricted rear layer suitable adherence drywall joint compound water-based non-blocking paint.