... replace plywood , wood 4, never indeformable 5, light weight Product name WPC board for construction Specification Maximum length is unlimited , maximum ... 6, Product attribution is good, the man-made pvc foam board is antisepticise, inflaming retarding and waterproof . 7, Energy saving ... . 8, Lower cost, turnover can be up to over 30 times, so deeply reduce the cost. light weight wpc board material