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建筑物屋面防水分为外露型防水和覆盖保护层或装饰材料型防水。随着防水层的劣化,为了维护建筑物的防水功能,必须对防水层进行维修。本文介绍的对既有防水层的维修,不是用聚氨酯防水材料对建筑物进行全面翻修,而是充分利用建筑上既有的防水层,辅之聚氨酯防水材料进行维修。
Roof waterproofing is divided into exposed-type waterproof and protective cover or decorative material type waterproof. As the waterproofing layer deteriorates, the waterproof layer must be repaired in order to maintain the waterproofing function of the building. This article describes the maintenance of the existing waterproof layer, instead of using polyurethane waterproofing material to fully renovate the building, but take full advantage of the existing waterproof layer on the building, supplemented by polyurethane waterproof material for maintenance.