gutter

Prevention and cure of overflow and leak in valleys and gutters;

天沟、檐沟溢水与漏水的防治

In this article,authors introduce waterproof design and construction of inclined roofs of villas,and specially states key construction points of the internal eaves gutter roof drain system.

介绍了别墅斜坡屋面的防水设计及施工 ,特别说明了内檐沟屋面排水系统的施工要