Plastic drainage board is mainly used in municipal engineering and underground garage drainage board terms. Drainage Board Application: domestic and international highways, railways, airports, power plants, yards, ports, land reclamation, sewage treatment plants, landfills, land reclamation, water conservancy and hydropower, port construction and other projects in the soft ground treatment projects, improve the bearing capacity of foundation drainage consolidation garden project: garage roof greening, roof garden, green roof, soccer fields, golf courses, beach and other municipal engineering projects: road embankment, subway tunnels and other construction projects: building the basis of the upper or lower, basement and outside walls, roof and insulation and other impervious. Drainage board uses and construction program: plastic drainage board has a guide water drainage and protection protective features are being widely used in various construction projects. Applied to the greening works: garage roof greening, roof garden, vertical greening, green sloping roofs, soccer fields, golf courses. Municipal Engineering: airports, road embankment, subway tunnels, landfill. Construction: building the basis of the upper or lower, basement and outside walls and floor and ceiling, roof and insulation and other impervious. Hydraulic: reservoir seepage water, reservoir, artificial lake water seepage. Traffic Engineering: roads, railway embankment, dams and slope protection layers. 5 1. Clean the laying site rules laid waste, cement screed, so that there is no obvious bump at the scene, an outdoor garage roof and roof garden need to find the slope of 2-5 ‰. 2. This can drain the water discharged into a local focus under or near the city sewer pipes. 3. Ground water seepage in the basement, on the basis of the above overhead floor, which is done in front of the floor drain is to do one round projections downward, left around the blind ditch, groundwater up the mountain, through natural seepage inflow drainage board space around the blind ditch, and then through the blind ditch into the sump. The interior basement seepage water, drainage board laying on the main building wall facing the main dome station wall. Drain and then assemble the outer layer of a single pink cement wall or steel mesh to protect the drainage board, so that the space outside of the seepage wall panels vertical blind ditch directly caused by lower inflow sump. 5. In any lot laying drainage board, you must pay attention to: Do ??not let the soil, cement, sand and other trash into the front space of the drainage board to ensure the smooth flow of the drainage board space. 6. When do the protective measures laying drainage board as possible, dimensions or outdoor garage laying drainage board should backfill work in a timely manner as soon as possible, to prevent large wind in laying drainage board affect quality. Interior basement waterproofing and protective layer to do as soon as possible to prevent damage to persons or things to be drainage board. 7. cohesive backfill is in need shop geotextile 3-5 cm above the sand is ideal, in favor of geotextile filtration; as backfill is a nutritive soil or light soil would no longer need to lay a layer of sand, the soil itself is very loose very easy treatment. 8. Drain in laying the right side and take the next 1-2 edge fulcrum, you can touch the bottom two together, the above use of geotextile overlap, as long as they do not enter the soil drainage board drainage channel can maintain drainage flow . Shandong is the largest drainage board manufacturers, product range and reasonable price is to buy the best land drainage board. Reference website: http: //www.paishuiban.top/cpzs.asp