Vectors Glue-up Styrofoam Ceiling Tile 20 in x 20 in - #R187 - (Pack of 96) /259 sqft Goes Over Popcorn And Most Ceiling Surfaces Styrofoam 20x20 (259.2 sq ft) Adds Insulation Easy Glue Up Install Light Weight No Expensive Tools Needed Paintable With Any Water-Based Paint Installation Information: Installation Information Project Showcase R187- Copper Penny Installed in Kitchen R187- Plain White Installed in Kitchen R187- Plain White Installed in Living and Dining R187- Plain White Installed in RVs / Trailers R187- Plain White Installed in Bedroom