... , waterproof, insect prevention, durable, colorful, green material weather resistantt interior/exterior WPC wall panel/wall board We need your support to ... ) Low maintenance cost.6) Long life(≥50 years)7) Simple installation as same as nature wood. Some designs of Lifang WPC ... of WPC, it can be applied in both interior and exterior area. The product includes deckings, floorings, wall panels, gazebos, ...