Installation and installation of water rake for balcony and rain cover installed downpipe
According to the design requirements, underline material, check the size without error, make real samples, up and down should make socket, the upper mouth should be installed in front of the cement mortar fixed, the lower mouth should be installed in the riser in the interface, and welding. Before installation, rust stains should be removed, and the rust paint is painted with a rag. If galvanized iron plate is used, zinc or phosphating primer should be painted inside and outside the tube, and the paint should be brushed at the same time after the installation is stable.
When the roof, eaves, eaves, eaves, slanting gully, water and water bucket (pipe) are made of galvanized sheet, the thickness should be 0.45 to 0.75, and a special zinc sulphur and phosphating primer should be weathered or painted and then painted with the cover paint. Brush two cover lacquer.