彩钢板屋面漏水怎么办

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彩色钢板在我们的生活中很常见，应用也很广泛。彩钢板屋面坡度一般较小，一般小于6%。这种结构在中国中南部多雨地区较为常见。漏水面积大，采光窗及屋顶接缝漏水。了解和分析彩钢屋面漏水的结构、漏点及原因是十分必要的

彩钢板一般彩钢屋面渗漏主要是由于自攻螺钉、彩钢板、屋瓦搭接、拉芯铆钉、屋顶上人造成彩钢板变形、照明窗等装饰件脱落的防雨胶等原因造成的。相应的泄漏点可分为以下几点：
1。车顶螺钉和紧固件泄漏
这种现象主要发生在双层和单层彩钢板屋面。在施工过程中，攻丝力过大、过轻、螺钉偏位、螺钉偏位，螺钉偏位、脱落或形成凹面，可能造成屋顶滴漏，通过保温棉积聚，形成较多的减少泄漏。水。另外，彩钢板下的开孔位置不正确、檩条缺失直接形成孔也是漏水的重要原因之一。在没有单层彩钢板保温系统的屋面结构中，这种渗漏现象可能不明显，主要是雨水从钢板与檩条的接触部位渗出，然后直接扩散，不一定迅速滴落。
2。彩钢板搭接处渗漏
水平和垂直搭接接头，彩钢板重叠渗漏，如果彩钢板瓦波太低或雨水不太大，很容易形成大面积的渗漏，而且不容易检测到渗漏点，一旦形成，就不容易修复，这种情况我就在弧形屋顶更常见。主要原因是两块板之间的重叠不紧，自攻丝不饱满，形成间隙等。
三。屋瓦渗漏

屋瓦渗漏也是轻钢结构屋盖施工中常见的一种现象。在雨季，特别是雨水量大的时候，雨水的飞溅通过屋脊瓦下部两块彩钢板之间的缝隙，形成大面积的渗漏。

Colored steel sheet is very common in our life and widely used. The gradient of colored steel sheet roof is generally small, often less than 6%. This kind of structure is more common in rainy areas in central and southern China. It has a large area of water leakage, light windows and roof joint leakage. It is necessary to understand and analyze the structure, leakage points and causes of water leakage from color steel roof.
Color steel plate
Generally, the leakage of colored steel roof is mainly caused by self-tapping screw, lapping of colored steel plate, roof tiles, core-pulling rivets, deformation of colored steel plate caused by people on the roof and rain-proof glue falling off from decorative parts such as lighting windows. The corresponding leakage points can be divided into the following points:
1. Leakage of roof screw and fastener
This phenomenon mainly occurs in the roof of double-layer and single-layer color steel plates. During the construction process, the tapping force is too heavy, too light, the screw deflects, and the screw deflects, and the screw deflects, falls off or forms a concave surface, which may cause the drip and leakage of the roof and accumulate through the thermal insulation cotton, forming more and less leakage. Water. In addition, the incorrect position of self tapping and the missing of purlin under the color steel plate to form holes directly are also one of the important reasons for water leakage. This leakage phenomenon may not be obvious in the roof structure without insulation system of single-layer color steel plate, mainly because the rainwater seeps through the contact part of steel plate and purlin and then disperses directly, and does not necessarily drip rapidly.
2. Leakage at lap of coloured steel plate
Horizontal and vertical overlap joints, color steel plate overlap leakage, if the color steel plate tile wave is too low or rainwater is not too large, it is easy to form a large area of leakage, and it is not easy to detect the leakage point, once formed, it is not easy to repair, this situation is more common in the arc roof. The main reasons are that the overlap between the two boards is not tight, the self-tapping is not full to form a gap, and so on.
3. Leakage of roof tiles
Leakage caused by roof tiles is also a common phenomenon in roof construction of light steel structures. During the rainy season, especially when the amount of rainwater is large, the splash of rainwater passes through the gap between the two color steel plates at the lower part of the ridge tile, forming a large area of leakage.