... fireproof, no deforming, no formaldehyde, strong and easy fixing, high quality, green and healthy. PVC DOOR (GX401) Company Introduction:We ... as no formaldehyde, moisture and waterproof, fireproof, heat and sound insulation, easy fixing and individual design, widely used ... : ≤400mm5. Inner structure: central hollow grid 6. Colour: black walnut, red cherry, light cherry, white wood, cedar, maple ...