彩钢瓦屋面防水怎么做

2025-03-07 07:35:42
推荐回答(5个)
回答1:

1、清理表面垃圾,用打磨机将接缝除锈,并清理金属表面铁屑和残渣;

2、给所有彩钢瓦螺帽做防水增强层。

3、屋脊缝隙过大需填充发泡剂。

4、屋面彩钢瓦接缝处贴加筋布并涂刷EPO防水涂料。

5、屋面接缝做完防水施工后整体喷涂基层处理剂。

6、接下来做屋脊防水施工,接缝棱处需压实,然后涂刷EPO防水涂料。

7、被剪开的接缝棱再做增强层。

8、屋面整体喷涂四遍EPO防水涂料。

9、最后一步,彩钢瓦喷彩漆,恢复原有颜色。

回答2:

基面清理,

1、必须确保基面固件无松动、无锈蚀、无油、无尘、无明水、使之保持清洁。

2、对屋面有松动的固件一定要做到更换或者加固。

3、对于基面有锈蚀穿孔的,需要用同型号的彩钢瓦修补漏洞。

4、接缝处理:将每个接缝按原设计进行规整,压紧压实,使接缝处结合紧密,达到无翘边和张口现象出现。


果尔佳防水施工

基面清理干净后,对钢结构屋面垂直接缝处涂刷一道钢涂优基层防水涂料,在其仍为湿润时,将裁剪好的增强聚酯布铺设其中,接着再在接缝表面涂刷一道钢涂优基层防水涂料,并让涂料充分的浸润增强聚酯布,确保不起泡、不起皱,使得涂料能通过增强聚酯布的空隙与底层涂料结为整体,以至干固。

待上道涂层干固后(约8小时干固),在基面上涂刷钢涂优表层涂料。

待涂料干固后(约36小时干固),组织验收。

回答3:

屋面漏水原因:
1、由于屋面的彩钢瓦经过早晚热胀冷缩、钢结构颤动、人为踩踏、腐蚀环境等因素及恶劣天气等的影响下出现锈穿、变形及裂缝。屋面和天沟很容易腐蚀、漏水,需做防水密封处理。

2、天沟因长期积水、潮湿,排水不畅,影响天沟正常使用。

3、由于钢结构导热系数较大,彩钢瓦容易发生弹性变形,会造成漏水点转移的现象。
果尔佳防水提供彩钢瓦防水方案:

清理屋面需做防水区域的垃圾,然后对屋面彩钢板局部腐蚀、生锈处打磨除锈,除锈干净后涂刷一遍环氧富锌底漆,富锌底漆干固后涂刷一遍氟碳面漆,阻止锈蚀生成。防腐涂层干固后,采用我司金属屋面专用的丙烯酸高弹防水涂料AA-JA做三涂一布的防水密封。

² AA-JA基层防水涂料----------------用于与基层粘接;

² 增强聚酯布------------------------用于抗拉增强;

² AA-JA基层防水涂料----------------用于通过网状的空隙,使得表层的涂料与基层的涂料结为整体,从而增强防水的抗撕裂强度。

² AA-GB隔热王表层涂料---------------用于接缝部位抵御紫外线照射及大气老化,增强防水的使用寿命。

² 环氧富锌底漆----------------用于防止锈蚀生成;

² 氟碳面漆------------------------用于表层防腐和防紫外线;

回答4:

1、 将彩钢房与结构搭接缝部位的原老化密封胶清理干净,生锈部位打磨除锈;
2、 检查彩钢屋面螺钉孔部位是否松动,更换需要更换的螺钉;
3、 沿彩钢房与结构搭接部位开槽,剔除300mm高饰面层、保温层至结构层;
4、 阴角部位嵌填密封膏,并用速凝堵漏材料抹弧;
5、 搭接缝部位做防水附加层施工,即墙面及彩钢面各150mm范围内涂刷优缮易刷涂防水涂料,立即铺贴网格布,确保涂料无褶皱,然后再涂刷涂料覆盖网格布,不能漏涂;
6、 螺钉周边用密封膏密封,以螺钉为中心,周边60mm范围粘贴丁基胶带,附加层施工与上面阴角部位搭接缝涂刷方法一致;
7、 待附加层涂料完全干燥,即可进行大面施工,分两遍薄涂优缮易刷涂防水涂料,涂料完全干燥之后,再进行三遍优缮屋面丙烯酸高弹防水涂料的施工;
8、 待涂料完全干燥后再等48小时,再进行30min淋水试验,不渗漏为合格;
9、 恢复保温层、饰面层。

回答5:

可以采用果尔佳内烯酸金属屋面防水涂料,三涂一布或四涂一布施工工艺,主要针对各类金属钢结构建筑,采钢瓦屋面防水,铝钢板防水等等,效果好!

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