改变200年以来利用锌金属易于弯折、剪焊等加工特性而限于作为制造屋面天沟及排水管之用。
This invention changes its 200 years history of limitation to roof gutter and drainpipe, due to its easy bending, cutting and welding property.
用于新旧平斜屋面及天沟檐口，特别适用于不规则形状部位的防水防渗。
For old and new flat and inclined roof and gutter cornices, especially for irregularly shaped parts of water seepage.
产品类型：大跨度轻型屋面板、网架板、天沟板、挑檐板、嵌板、雨罩板等。
Product types: lightweight large-span roof board, net rack panels, gutter board, EAVES boards, panels, rain cover panels.
如果天沟过于窄的话，积水将渗透屋面材料。
If valley flashings are too narrow, backed-up water can find its way under the roofing materials.
如果天沟过于窄的话，积水将渗透屋面材料。
If valley flashings are too narrow, backed-up water can find its way under the roofing materials.
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