I believe you are not unfamiliar with color steel plate. After all, it is very common in our life, and it is recognized by consumers with many advantages. Today, I will introduce the installation of flashing plate of color steel plate roof in detail.

彩钢板屋面与立面墙体及突出屋面结构等交接处，均应做泛水处理，泛水板高度不小于 300mm。泛水板与墙压顶做顺水搭接，顺水方向纵向搭接宽度不小于一个波峰，两板间应设置通长密封剂密封处理;螺栓拧紧后，搭接处采用带防水密封胶垫的自攻螺 丝固定在支承构件上;横向搭接宽度不小于 200 mm，泛水板与屋面彩钢板之间采用成型 橡胶防水垫(KL 板顶封口条)填实。

The joints of color steel plate roof, facade wall and protruding roof structure shall be flashed, and the height of flashboard shall not be less than 300 mm. The longitudinal lap width along the water direction shall not be less than one wave crest, and the full-length sealant shall be set between the two plates for sealing treatment; after the bolts are tightened, the lap joint shall be fixed on the supporting member with self tapping screw with waterproof sealant pad; The transverse overlap width shall not be less than 200 mm, and the formed rubber waterproof pad (KL plate top sealing strip) shall be used to fill between the flashing board and the roof color steel plate.

1) 管状穿透物：按设计位置、尺寸在彩钢板上进行取孔，将一个厂家配套生 产的带凸缘的圆柱形套筒固定在彩钢板上，套筒中间点应与穿屋面构件重合， 套筒凸缘应将开孔处完全盖住， 然后将单独的钢板法兰盘用暗铆钉固定在套筒 凸缘上，法兰盘与套筒凸缘及彩钢板接处采用专用密封剂密封，然后将锥形护 罩封口采用紧固箍固定在穿屋面构件上，在护罩与套筒之间要留有间隙，以利于屋面结构的热伸缩位移 。

1) Tubular penetrator: first, take holes on the color steel plate according to the design position and size, fix the cylindrical sleeve with flange produced by a manufacturer on the color steel plate, the middle point of the sleeve should coincide with the roof penetrating component, the sleeve flange should completely cover the opening, and then fix the separate steel plate flange on the sleeve with blind rivets On the flange, the joint between flange plate and sleeve flange and color steel plate shall be sealed with special sealant, and then the seal of conical shield shall be fixed on the components passing through the roof with fastening hoop. There shall be a gap between shield and sleeve to facilitate the thermal expansion displacement of roof structure.

2) 出屋面风机洞口： 由于出屋面构件会切断钢板排水槽，阻碍排水方向，因此需要在突出屋面构件处安 装特别的泛水进行引流。 安装天沟屋面彩钢板终端骨架，然后将排水底盘固定好，彩钢板肋条与排水底 盘之间的空隙采用专用成型橡胶塞塞实，外面采用专用密封剂进行密封处理，然后安装泛水板。泛水板与排水底盘及彩钢板搭接处均采用上述方法进行密封，泛水板高度及与钢彩板的搭接宽度同山墙。

2) Outlet of roof fan: as the outlet components will cut off the steel plate drainage channel and hinder the drainage direction, special flashing water shall be installed at the protruding roof components for drainage. First, install the color steel plate terminal framework of the gutter roof, and then fix the drainage chassis. The gap between the color steel plate ribs and the drainage chassis is filled with special molding rubber plug, and the outside is sealed with special sealant, and then install the flashing plate. The method mentioned above is adopted to seal the joints between the flashing board and the drainage chassis and the color steel plate, and the height of the flashing board and the width of the overlapping with the color steel plate are the same as those of the gable.

暗扣隐藏式屋面彩钢板两伸缩节点间钢板长度不得超过 35m。 方法如下： 升高搭接处上 面彩钢板的所有檩条及屋面彩钢板的支撑，以形成一个比彩钢板深度高 15mm 的高差，在高差处屋面彩钢板搭接长度不少于 250mm， 并进行密封处理， 落差处需另外设置辅檩或支撑 。 伸缩节点打密封胶 屋面彩钢板安装完成后，对泛水板、屋脊盖沿等与彩钢板交接处均应采用耐候密封胶进行密封处理;所有外露的自攻螺丝上面采用涂抹密封材料进行保护，当采用抽芯铆钉时，要将密封剂填满其中间空心处。

The length of steel plate between two expansion joints of concealed roof color steel plate shall not exceed 35m. The method is as follows: raise all purlins of color steel plate above the lap joint and the support of roof color steel plate to form an elevation difference 15mm higher than the depth of color steel plate. At the elevation difference, the lap length of roof color steel plate shall not be less than 250mm and be sealed. Auxiliary purlins or supports shall be set at the drop. After the installation of the roof color steel plate with sealant applied to the expansion joint, the joints between the flashing plate, roof ridge and the color steel plate shall be sealed with weather resistant sealant; all the exposed self tapping screws shall be protected by applying sealing material, and when the blind rivet is used, the sealant shall be filled in the middle hollow.

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