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多年来,卫生间防水多以双组分聚氨酯为主。双组分聚氯酯不仅有毒、有味、污染环境,作为单一的柔性防水涂料还存在着耐老化、耐穿刺性差等缺点。北京望京小区卫生间防水施工中,采用了无机刚性防水涂料和单组分聚氨酯柔性防水涂料复合作法。这两种材料不含有害成分,而且复合防水层克服了刚性防水层易开裂、柔性防水层耐穿刺性差等缺点,大大提高了卫生间的防水性能,3000个卫生间蓄水试验无一渗漏。
Over the years, mostly waterproof two-component polyurethane bathroom. Two-component polyurethane is not only toxic, smell, pollute the environment, as a single flexible waterproof coating also exists the anti-aging, poor puncture resistance and other shortcomings. Beijing Wangjing area bathroom waterproof construction, the use of inorganic rigid waterproof coating and one-component polyurethane flexible waterproof coating composite approach. The two materials contain no harmful components, and the composite waterproof layer overcomes the defects of easy cracking of the rigid waterproof layer and poor puncture resistance of the flexible waterproof layer, greatly improves the waterproof performance of the bathroom, and does not leak in the 3000 toilet water storage test.