... with aluminum 4. moistureproof 5. heat-preventing PVC gypsum board1. name: pvc gypsum board, pvc laminated gypsum board, pvc gypsum ceiling,2 ... .5mm, 8mm, 9mm4 surface coverd by pvc foils5 back with aluminum foils.6.the four edges are covered by tapes7.easy ... . modern decoration10.tension strong, moistureproof, heat-preventing, ametabolic Decorative Gypsum Ceiling Tiles 7mm