... stronger,fire retardant, 3) ideal for outdoor wall cladding Product introduction: WPC foaming out-door wall cladding series include sidings board, sunshading board ... :wpc free foaming,wpc encrusted foaming.3,Its water-proof,anticrash,flame retardant(pass B grade),anti-corrosion,UV ... .5,Passed SGS,ROUHS test,environment friendly,wpc foam wall panel certified by CE.6,Common size:164mmx12mm,210mmx5mm-15mm ...