推荐回答(1个)
随着装修的不断改进,不仅需要屋内的装修,屋面防水层的装修变得更为重要,在众多的防水工艺中涂膜屋面防水是很常见的,但是如何进行施工,哪些涂膜防水做法比较有效,还是需要我们进一步了解,所以我们下面就看看我的介绍吧。
随着 装修 的不断改进,不仅需要屋内的装修, 屋面防水 层的装修变得更为重要,在众多的防水工艺中涂膜屋面防水是很常见的,但是如何进行施工,哪些涂膜防水做法比较有效,还是需要我们进一步了解,所以我们下面就看看我的介绍吧。
屋面涂膜防水施工工艺?
1.屋面涂膜防水施工工艺是水落口四周50em直径范围内的找平层要抹成凹坑,分格缝可完全断开,也可上部1/2分缝,下部不断开,分格缝内嵌填密封材料。
2.防水层施工前,必须将基层上的尘土、砂粒、碎石、杂物、油污及砂浆疙瘩清除干净,当有高低跨时,防水层施工应按先高后低的原则施工,在同一跨中应按先远后近的原则,从处开始。
3.涂膜防水层施工前必须对基层的干燥程度进行测试,测试时将lm2防水卷材或塑料膜平坦地铺在找平层上,静置3-4h后掀开检查,找平层覆盖部位与防水卷材或塑料膜上未见水印即可施工。
4.大面积涂膜施工前,应先对水落口、 阴阳角 、 天沟 、檐口等部位做附加增强处理。合成高分子防水涂膜厚度应大于或等于2miD_,改性 沥青 防水涂膜应大于或等于3mm,沥青基防水涂膜应大于或等于8mlTl。
5.防水涂膜应分遍涂刷,涂刷时应待先涂的涂料干燥成膜后,方可涂刷后一遍涂料,每遍涂刷的方向和前一遍相垂直。在转角和立面涂刷防水层时应复涂多遍,不得有流淌、堆积现象。
6.屋面 女儿墙 内侧及压顶必须按设计和规范要求做好防水处理。当用 水泥砂浆 、块体或细石混凝土做保护层时,应待涂膜完全干燥,并铺抹隔离层后,方可抹水泥砂浆或浇筑细石混凝土。
涂膜屋面防水做法?
1、膜屋面防水做法?找平层处理剂的配制:对于溶剂型 防水涂料 可用相应的溶剂稀释后使用,以利于渗透,如:溶剂型SBS改性沥青防水涂料用汽油做稀释剂,稀释比例,涂料:汽油=1:0.5。也可直接使用。
2.涂布找平层:先对屋面 节点 、周边、拐角等部位进行涂布,然后再大面积涂布。注意均匀涂布、厚薄一致,不得漏涂,以增强涂层与找平层间的粘结力。
3、防水涂料的配制,采用双组分防水涂料时,在配制前应将甲组分、乙组分搅拌均匀,然后严格按照材料供应商提供的材料配合比,准确计量;每次配制数量应根据每次涂布面积计算确定,随用随配;混合时,将甲组分、乙组分倒入容器内,用手提式电动搅拌器强力搅拌均匀后即可使用。
4、所有涂膜收头均应采用防水涂料多遍涂刷密实或用密封材料压边封固,压边宽度不得小于10mm。收头处的胎体增强材料应裁剪整齐,如有凹槽应压人凹槽,不得有翘边、皱折、露白等缺陷。
5、涂膜保护层,涂膜保护层应在涂布最后一遍防水涂料的同时进行,即边涂布防水涂料边均匀撒布细砂等粒料。膜屋面防水做法?在水乳型防水涂料层上撒布细砂等粒料时,撒布后应立即进行滚压,才能使保护层与涂膜粘结牢固。
6、检查、清理、验收,涂膜防水层施工完后,应进行全面检查,必须确认不存在缺陷。在涂膜干燥或固化后,应将与防水层粘结不牢且多余的细砂等粉料清理干净。检查排水系统是否畅通,有无渗漏。
总结:有关屋面涂膜防水施工工艺以及?涂膜屋面防水做法的知识就简单的介绍到这里,我想说的是每一次的装修都是人们花费心血完成的,尤其是做屋面涂膜防水的工程,希望上面我的介绍可以帮助到大家,祝大家装修顺利。
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