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屋面防水工程怎么做?需从两个方面把握好

 文章来源:http://www.jnldfs.com/ 发布时间:2021-10-19   

新房装修防水工程,除了地面防水工作,屋面防水也很重要。由于屋面具有抵御自然界的雷电风霜雨雪的作用,所以装修时切莫忽视了屋面防水。做好屋面防水,居室内部才可能拥有一个良好的使用环境。那么,屋面防水应该怎么做?
In addition to the ground waterproofing, roof waterproofing is also very important in the new house decoration waterproofing project. As the roof has the function of resisting lightning, wind, frost, rain and snow in nature, the roof waterproof must not be ignored during decoration. Do a good job in roof waterproof, so that the interior of the room can have a good use environment. So, what should roof waterproofing do? How to improve the quality of waterproof?
一步:一般的施工工序
Step 1: general construction procedures
屋面一般的施工工序为,验收找平层→清理基层→配制水泥粘合剂→做附加层→基层施工→保护层→养护。
The general construction process of roof is: acceptance of leveling layer → cleaning of base course → preparation of cement adhesive → making additional layer → base course construction → protective layer → maintenance.
在卷材铺设粘结之前,首先将屋面的防水卷材预铺开,并找正,之后将屋面防水卷材两端对着卷起,将已配制好的水泥粘结剂倒入基层上,用刮板均匀地刮开。后将屋面防水卷材向前推铺,并及时使用刮板排除遗漏于屋面防水卷材内部的空气,将多余的粘结剂刮出来。屋面防水卷材与找平层的粘结率为85%。
Before laying and bonding the coiled material, first pre spread and align the waterproof coiled material of the roof, then roll up both ends of the waterproof coiled material of the roof against each other, pour the prepared cement binder into the base course and scrape it evenly with a scraper. After that, the roof waterproof coiled material shall be pushed forward, and the scraper shall be used in time to eliminate the air omitted in the roof waterproof coiled material and scrape out the excess adhesive. The bonding rate between roof waterproof coiled material and leveling layer is 85%.
二步:卷材间接缝
Step 2: joint between coiled materials
隔汽层、防水层与附加层,均采用搭接缝方法。使用水泥粘合剂粘结,宽度为10cm,而附加层接缝与防水层接缝错开>5cm。屋面防水卷材搭接宽度长边在8-10cm内,短边在10-15cm内,相邻短边接缝需错开>100cm,墙面与地面夹角处均>30cm。
Lap joint method shall be adopted for steam barrier, waterproof layer and additional layer. Bond with cement adhesive, the width is 10cm, and the joint of additional layer is staggered with the joint of waterproof layer & gt; 5cm。 The overlapping width of roof waterproof coiled material is within 8-10cm on the long side and 10-15cm on the short side, and the joints of adjacent short sides shall be staggered & gt; 100cm, the included angle between the wall and the ground is & gt; 30cm。
三步:防水保护层
Step 3: waterproof protective layer
待卷材铺粘完毕之后,于防水层上做1:2.5的水泥砂浆保护层,厚度为2cm,分为两次抹成,二层接茬须错开>20cm。保护层要求平整,且需洒水进行养护。
After the coiled material is paved and glued, a 1:2.5 cement mortar protective layer with a thickness of 2cm shall be made on the waterproof layer, which shall be plastered in two times, and the joints of the two layers shall be staggered & gt; 20cm。 The protective layer shall be flat and watered for maintenance.
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