Supply of metal gutters Corus storm sewer gutters: Gutter the water system finished adding visual effects house building roof landed in rain and snow, especially heavy rain, the formation of water in a short time, the need for roof drainage system, organized and systematic roof rainwater will be immediately removed to the outside, otherwise it will create four overflow or roof leaks, affect people's lives and production activities. Setting classification and pipeline construction roof drainage system, the pressure inside the pipe, the flow state and roof drainage conditions and other factors. Press roof gutters drain into drainage conditions, gutter drainage and no drainage ditch. When the building roof area is small, set under the eaves of the roof rainwater collection trenches, called gutter drainage. In the area of ??large and tortuous set building roof roof rainwater collection trenches, the rain water is discharged to both sides of the building, called the gutter drainage. Landing to the roof along the roof rainwater runoff directly into the storm water pipes, known as non-ditch drainage. Gutter drain rainwater catchment is discharged through the storm sewer, so the roof there is a need to bring together rain gutters, gutter system is an organized drainage system, which finished gutter systems from Europe and America in recent years, the introduction of a Advanced organized drainage system, not only in the function can effectively organize to the rain and melting snow to drain from the building and reasonable to prevent the roof, walls and foundation damage, or a beautiful line, aluminum finished Gutter system is the mainstream product in Europe and America, colorful and facades, roof with perfect weather is good, modern villas and multi-storey buildings will select products. A design science, good quality gutter system not only can protect your house facades and foundations, but also to increase the dimension of the villa, rich colors, and strengthen the visual effects.