High Density Polyethylene Waterproofiing Membrane with Sand Surface

High Density Polyethylene Waterproofiing Membrane with Sand Surface. The floor board of the building should be constructed with a pre-applied anti-sticking method. This method no need protective layer. High strong chemical resistance to acid and alkali, especially suitable for underground projects. Wet method construction, no need flat layer, low requirement for the base, not affected by weather and base moisture, it has obvious advantage of constructions in rainy season.