Advantages of KAIXI XPS tile backer board:

① 100% waterproof, made of HCFC-FREE XPS foam
② High-rigidity and durability
③ Close bond to any tiling walls or floors
④ Available at various thickness and sizes
⑤ Compatibility to multiple substructures
⑥Thermal insulation for saving energy bills
⑦Vapor retardant against mildew
@Light-weight, easy to handle and cut with utility knife