B50pc of (R139) Astana Copper (20"x20" Foam) Ceiling Tiles - Covers about 135sqft ReviewbP PP 50pc of (R139) Astana Copper (20"x20" Foam) Ceiling Tiles - Covers about 135sqft PMade from high quality Polystyrene foamPEasy to install - with most any Mastic ceramic tile adhesivePCan be installed right over Pop Corn ceilingPCan be painted with most any water or latex based paintsPTin like look from a modern materialP