If there is no gutter on the roof, the accumulated water will not stay everywhere on the roof in rainy days, which will do great damage to the house. In areas with heavy rainfall, the size of the gutter can be appropriately increased; On the contrary, in areas with less rainfall, the size of the gutter can be appropriately reduced.
Roof gutter refers to the concave part between two spans of building roof. Roof drainage is divided into organized drainage and unorganized drainage Organized drainage generally collects rainwater into the gutter and then discharges it from the rainwater pipe. The gutter for collecting rainwater is called gutter, which is divided into inner gutter and outer gutter. Inner gutter refers to the gutter in the outer wall, generally with parapets. The outer gutter is the gutter that picks out the outer wall, and generally there is no parapet. The gutter is mostly made of iron sheet or asbestos cement.