Coordinating 4' edge J-trim is available to give your new tin style ceiling a professional look. Use it around the perimeter to cover any cut edges, or to simply finish off the ceiling. The J-trim is made of a Class A fire-rated PVC plastic, so it is safe and very user friendly. Install J-trim by gluing to ceiling and sliding tile in. No. 160-19: Cracked copper No. 160-21: Cross hatch silver