怎样做屋顶防水

2025-02-06 12:47:14
推荐回答(4个)
回答1:

楼顶做防水的施工步骤:

1、首先查明漏水原因,一般情况估计还是沉降,楼顶本是现浇的,房屋的沉降把它弄裂了,有缝,雨水就下屋里来了。

2、补缝,顶楼漏水大部分是缝隙裂开,需用补漏膏把缝隙填平,等干后进行下一步。(如果缝小于1MM不需要补漏膏)

3、用水性防水涂料或墙渗宝透明防水材料涂刷两遍,全面的,如果光涂缝隙也要宽带达到20厘米以上。这样确保粘结力。防水涂料都是渗入粘结的,弹性好,所以使用年限长。

扩展资料:

专家来支招讲到:房屋出现渗漏,首先应查明漏水的原因,一般来说屋顶渗漏常见以下几个问题:防水层质量问题引发开裂、防水层老化而引发开裂、人为破坏防水层、或是结构裂缝等;第二步,选择处理办法,常见的处理方法有:在原有防水层上进行修补、整体做防水等;第三步、谨慎处理免后患,提醒业主应该选用品牌的防水材料,施工时一定要细致、全面,切不可有侥幸心理,以防止再次漏水。

针对常见的房顶漏水,雷邦仕建议您做以下几个具体步骤:

首先,应找到漏水点。

如果漏水点裂缝不算长,且不算深,长度不超过5-6cm,深度不深过2-3cm,可用雷邦仕管口灌浆料导入填充。雷邦仕管口灌浆料是由高强度矿物质为骨料,以水泥作结合剂,辅以高流态、微膨胀、防离析的添加剂配制而成的水泥基单组份粉状灌浆材料,在施工时加入水搅拌后即可使用,具有自流性好、高强度、无收缩、快速凝固等特点,能迅速填补缝隙,解决管口、机脚等各类锚固难题,是雷邦仕公司最新研发的专利产品。

其次,用柔韧型防水浆料涂刷。

管口灌浆料填充密实后,用柔韧型防水浆料进行涂刷,雷邦仕柔韧型防水浆料具有“刚柔并济”的特性,既有聚合物涂膜的延伸性、防水性,也有水硬性胶凝材料强度高、耐水性好、易与潮湿基层粘结的优点。而且柔韧性佳,能抵御建筑结构轻微的震动以及一定程度的位移;

第三,使用无纺布降低防水层受结构运动作用。

加一条泡过柔韧型防水浆料的无纺布在裂缝处。

第四,做水泥砂浆保护层。

回答2:

屋顶防水有很多种方法,但是大多时效性很差,有一种方法可以特别持久,就是在屋顶安装汉孚光伏瓦的光伏阳光房,这样不仅能够有效防水,还能隔热发电,最后还可以得到一层空间,用于各种用途。

回答3:

屋顶防水需要找到羽毛毡,铺上以后用沸腾的沥青浇灌,等干了以后再平整就可以了。

回答4:

屋面防水做好需要注意三点。


1、屋面做法。步骤按照现浇屋面板,15厚1:3水泥砂浆找平层,冷底子油一道三毡四油防水层,绿豆砂保护层的顺序进行。
2、屋面防水工程施工前应先对基层进行检查和清理,发现薄弱环节先行补强,经检查合格后方可进行上面防水层的施工。
3、防水卷材施工前,首先应配沥青,按当日工作量配制,严格用秤计量。
在施工屋面防水卷材层时必须保证基层干燥否则会影响防水效果,干燥程度的检验方法:将1m2卷材平坦地铺在找平层上,静置3一4小时后掀开检查,找平层覆盖部位与卷材上未见水迹即可铺设卷材。在这里主要阐述一下防水卷材的施工。
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