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钢结构厂房屋面-采光板部位

发布时间:2016-4-18 10:11:58 浏览次数:542

采光板部位防水是维护系统防水的重要部位,采光板安装中的胶泥铺设、防水螺钉是屋面漏水的主要隐患。采光板板型与屋面板板型不吻合,采光板两侧波峰高于屋面板,安装后,密封过严形成采光板内外气压差,毛细水从采光板两侧缝隙进入屋面内部漏水;采光板纵向搭接长度不够,且胶泥老化失去粘性;纵向胶泥脱落;采光板和彩钢板之间为刚性搭接,中间的缝隙未密封等。



Lighting board waterproof parts is to maintain waterproofing system an important part, laying daylighting plate is installed in the clay, waterproof screw is the roof leakage of the main risks. Does not match the lighting slab and roof slab, lighting plate on both sides of the crest above roof panel. After installation, sealed Yan formed lighting plate pressure difference between inside and outside, capillary water from lighting in both sides of the gap into the roof of internal leakage; lighting plate, the longitudinal joints enough length, and clay aging lost to viscous; longitudinal daub shedding; lighting board and color plate between rigid lap, in the middle of the gap unsealed.



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