... , heat preservation and anti-corrosion 4) Tough, rigid with a high impact strength,not easy to age and can keep its ... Construction:1. Hard and glossy surface2. Easy to saw , drill , nail.ect 3. Can replace plywood , wood ,MDF,etc4. No easy ... distinguishing lower than 5 seconds away from fire High Quality WPC Hollow Board Plastic Building Material Soundproof WPC Foam Board with Wood Grain Manufacturer