About our Styrofoam Ceiling Planks Polystyrene (Styrofoam) ceiling planks are one of the fastest and easiest ways to cover the popcorn ceilings and enhance any room's decor. All you need to do is glue these ceiling planks directly over the popcorn. The planks have beveled edges for an easy butt joint installation. These planks come unfinished White (we strongly recommend painting them after the installation). Please note : Gallery photos display painted finish (the planks should be painted after the installation). Besides popcorn, Styrofoam ceiling planks could be installed over pretty much any flat solid surface (plywood, drywall, concrete, etc). These planks cannot be installed in the t-bar grids (can not be used as a suspended ceiling tile). It is also not recommended to use it on the walls (as a wall panel) because the material is pretty soft. MATERIAL: Made out of Polystyrene (Styrofoam) DIMENSIONS: Each plank is ~100cmX16.67cm or ~39.4"x6.56" which is ~1.8 sq.ft. Thickness: ~0.14" (~3.7mm) WEIGHT: feather-light. ~0.66 OZ each plank ( ~ 20 gm) COLOR: Unfinished White. Requires painting after installation. EASY INSTALLATION: Easy to install and you won't need any special equipment to achieve a professional result. MAINTENANCE FREE. Moisture-proof and easy to clean and virtually maintenance-free. MINIMUM ORDER QUANTITY - Pack of 24 planks. Please contact me for other options. 1-888-717-8453 LISTING QUANTITY : this listing includes a box of 24 planks. SHIPPING : We strive to ship these within 1 business day. INTERNATIONAL GUESTS PLEASE NOTE - Import duties, tariffs, taxes, VAT and any other local charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to purchasing. RETURNS: To receive your money back (less S&H back and forth), you have to return it to me unused, undamaged in the original package within 30 days. FEEDBACK : Please don't leave me negative or neutral feedback, in case you experience any issue with my product, please contact me first, and I assure you we will resolve the problem. INSTALLATION INSTRUCTIONS : 1. Prepare the surface. remove loose plaster, paint, wallpaper, etc. 2. Apply the adhesive on the back of the tile along it's perimeter. We recommend Styro Pro adhesive ( please see our other listings to purchase), or ceramic wall tile paste adhesive is recommended (like Acryl Pro or Omni Grip). 3. We recommend starting along the longest wall and working your way to the other side of the room, similar to how hardwood is installed. For cutting use a utility knife. 4. The planks have finished beveled edges and are installed by butt joining. 5. If you decide to fill in the joints use paintable caulk. 6. Paint the planks with a latex paint