Chestnut Grove Glue-up Styrofoam Ceiling Tile 20 in x 20 in - #R 31. Goes Over Popcorn And Most Ceiling Surfaces Styrofoam 20x20 (2.7 sqft) Adds Insulation Easy Install Light Weight No Expensive Tools Needed Paintable With Any Water-Based Paint Installation Information: Installation Information Project Showcase R31- Plain White Installed in Living and Dining R31- Ultra Pure White Installed in Living and Dining R31- Plain White Installed in Kitchen R31- Ultra Pure White Installed in Living and Dining R31- Antique Bronze Installed in Living and Dining R31- Plain White... - Chestnut Grove Glue-up Styrofoam Ceiling Tile 20 in x 20 in - #R 31. | 
