... 3, can replace plywood , wood 4, never indeformable 5, light weight Product name WPC board for construction Specification Maximum length ... is 2440mm between to keels or supporters 4, enhance iron nail, about 10mm to board edge to nail 5, ... Easy to install and save labor, it is in light weight and can be processed to any shape and ... over 30 times, so deeply reduce the cost. light weight wpc board material