... Prompt delievery 3.CE,ISO certificate WPC Decking Features: 1.Fire-resistant. water proof 2.Anti worm-eaten 3.High tensile ... applicationbuilding materials,fencing, roof terraces, garden pavilions, bridges, step pedal, outdoor furniture, villa terrace, corridor flower, landscape, advertising signs, wallboard ,conrtyyard ... exist. We recommend diameter of plastic pipe is 6mm Fire resistant WPC Decking