Coowin wpc hut material, Shed, log cabin 1.ISO 9001: 2000, CE 2.Easy ... proof, non-distortion Summary COOWIN Wood-Plastic Composite (WPC) Shed is manufactured from a combination of plastic, natural fiber and ... additivesSurface treating methodBrushing, grooved, sanding, embossing etcApplicationsSummer house, log cabin, shed, small villaSpecification4x8m, including one room, outdoor railing and pergola.Or ...