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屋面防水做法有哪些

 文章来源:http://www.jnldfs.com/ 发布时间:2022-06-15   

屋面防水是装修的重要工程,本工程炉前低封、除尘配电室屋面采用1.5mm厚三元乙丙防水卷材屋面,煤仓框架屋面防水采用1.5mm厚氯化聚乙烯橡胶卷材防水,下面就随小编看看屋面防水做法有哪些,以供大家参考。
Roof waterproofing is an important project for decoration. 1.5mm thick EPDM waterproof coiled material is used for the roof of the low sealing and dedusting distribution room in front of the furnace in this project, and 1.5mm thick chlorinated polyethylene rubber coiled material is used for the roof waterproofing of the coal bunker frame. The following will see what the roof waterproofing practices are for your reference.
屋面防水做法有哪些
What are the roof waterproofing practices
施工方法
Construction method
1)基层处理
1) Base course treatment
检查找平层的质量及干燥程度并加以清扫,符合要求后涂刷基层处理剂,一次涂刷的面积不宜过大,确保涂刷面积大小能满足当天施工需要。涂刷完毕4小时后即可铺贴卷材
Check the quality and dryness of the leveling layer and clean it. Brush the base course treatment agent after meeting the requirements. The area of one brush should not be too large to ensure that the size of the brush area can meet the construction needs of the day. The coiled material can be paved 4 hours after painting
2)施工工艺流程
2) Construction process flow
基层表面清理、修补→涂刷基层处理剂→节点处附加增强处理→定位、弹线、试铺→铺贴卷材→收头处理,节点密封→清理、检查、修整→保护层施工。
Base course surface cleaning and repair → coating base course treatment agent → additional reinforcement treatment at nodes → positioning, snapping lines and trial paving → paving coiled materials → end treatment and node sealing → cleaning, inspection and repair → protective layer construction.
3)施工顺序
3) Construction sequence
防水层施工时,应先做好节点、附加层和屋面排水比较集中部位的处理,然后由屋面Z低标高处向上施工。铺贴天沟、檐口卷材时,宜顺天沟、檐口方向以减少搭接。施工中按先高后低、先远后近的原则,先施工钢屋架坡屋面,后施工平屋面,并根据实际情况划分流水施工段,组织平行流水施工。
During the construction of waterproof layer, the node, additional layer and the part with concentrated roof drainage shall be treated first, and then the construction shall be carried out from the low elevation of roof Z upward. When paving gutter and cornice coiled material, it should be along the direction of gutter and cornice to reduce overlap. During the construction, the steel roof truss slope roof shall be constructed first, and then the flat roof shall be constructed according to the principle of "high before low, far before near". The flow construction section shall be divided according to the actual situation, and the parallel flow construction shall be organized.
4)搭接方法
4) Lapping method
屋面防水做法有哪些
What are the roof waterproofing practices
铺贴卷材时采用搭接法,相邻两幅卷材的搭接缝应错开,钢屋架处坡屋面的搭接缝顺流水方向搭接,垂直于屋脊方向的接缝顺主风向搭接。
Lap joint method shall be adopted when paving coiled materials. The lap joint of two adjacent coiled materials shall be staggered. The lap joint of the sloping roof at the steel roof truss shall be overlapped along the flow direction, and the joint perpendicular to the ridge direction shall be overlapped along the main wind direction.
5)屋面特殊部位的铺贴要求
5) Paving requirements for special parts of roof
檐口:将铺贴到檐口端头的卷材截齐后压入凹槽内,然后将凹槽用密封材料嵌填密实。用带垫片的钉子固定,钉子钉入凹槽内钉帽及卷材端头用密封材料封严。
Cornice: cut the coiled material paved to the cornice end, press it into the groove, and then embed the groove with sealing material. Fix with a nail with gasket, nail the nail into the groove, and seal the nail cap and coil end with sealing material.
天沟、檐口及落水口:天沟、檐口处卷材铺设前,应先对落水口进行密封处理,落水口周围直径500mm范围内用防水涂料涂刷封堵。落水口与基层接触处留设宽20mm、深20mm的凹槽嵌填密封材料;天沟、檐口铺贴卷材时从沟底开始顺天沟从落水口向分水岭方向铺贴,边铺边用刮板从沟底中向两侧刮压,赶出气泡,使卷材铺贴平整,粘贴密实。
Gutter, cornice and outfall: before laying coiled materials at gutter and cornice, the outfall shall be sealed and sealed with waterproof paint within 500mm around the outfall. 20mm wide and 20mm deep grooves shall be reserved at the contact between the outfall and the base course to be filled with sealing materials; When paving coiled materials on gutters and cornices, the coiled materials shall be paved along the gutter from the gutter bottom to the watershed, scraped from the bottom of the gutter to both sides with a scraper while paving to drive out bubbles, so as to make the coiled materials paved smoothly and pasted compactly.
泛水与卷材收头:泛水部位卷材铺贴前,先进行试铺,将立面卷材长度留足,先铺贴平面卷材至转角处,然后从下向上铺贴立面卷材。铺贴完成后,将端头裁齐,用密封材料封严堵实。阴阳角:阴阳角处的基层涂胶后用密封膏涂封距角处100mm,再铺一层卷材附加层,铺贴后剪缝处用密封膏封固。
Flashing and coiled material ending: before paving the coiled material at the flashing part, the trial paving shall be carried out, the length of the facade coiled material shall be reserved, the plane coiled material shall be paved to the corner, and then the facade coiled material shall be paved from bottom to top. After the paving is completed, the ends shall be cut and sealed with sealing materials. Internal and external corners: after the base course at the internal and external corners is coated with sealant, seal the corner 100mm away, lay an additional layer of coiled material, and seal the joints with sealant after paving.
以上就是为大家介绍的济南屋面防水http://www.jnldfs.com的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系我们.我们将以专业的态度,为您提供服务.
The above is the Jinan roof waterproofing http://www.jnldfs.com I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service
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