133 // 3528 // 7166 Deyang drainage board, drainage board manufacturers Deyang, Deyang drainage board sales, Deyang treatment board, Deyang plastic drainage board, garage drainage board Deyang, Deyang planted roof drainage board, drainage board planning elastic line → empty shop Drainage Board (only requires a fixed location, the area was fixed) → nail hanging waterproof drainage board → sidewall rubber hammer together a light buttoned strap Drainage Board Drainage Board → → Self-acceptance inspection and acceptance drainage board. 2. Drain the grassroots kind of request (1) a solid, flat concrete surface (2) a solid, flat surface of cement mortar (3) Stones in a solid and stable base layer of waterproof material surface 3. Operating Highlights and technical requirements (1) Drainage board naturally unfold, stretch their legs laying on the planned location. (2) Drainage Board drainage slope direction can be vertical or horizontal laying unity. (3) Lap Shun drainage slope must follow the direction of the lap, lap allowed to reverse. (4) the need to locate the site or sites require temporary fixed shape changes, the use of asphalt mastic adhesive fixed point (5) the termination of the drainage board construction site design requires a combination shut OK. 4. backfill method on backfill drainage system, in order to prevent the destruction of earth-moving vehicles on the drainage system, backfilling required by the surrounding backfill inward process is as follows: (1) when first laid nonwoven backfill, while laying nonwovens while the use of solid backfill mound point pressure, then backfill (with the cloth can be laid directly drain directly backfill). (2) the first layer of backfill disposable backfill thickness greater than 600mm, frog tamping machine compacted backfill before they can walk on (3) subsequently stratified backfill, each backfill thickness of 600mm thick. (4) Finally, leaving 300 ~ 500mm thick artificial planting soil preparation, natural backfilling, not compacted. Second, the construction Notes 1. In dry, ventilated storage environment drainage board, to prevent exposure, away from fire. 2. Please stand up or lie flat drainage protection board, not tilted or cross horizontal pressure, stacking height of not more than three layers, smooth naturally want to avoid heavy heap pressure 3. laying, downslope or according to the laying of water. 4. Single When laying geotextile lap guarantee 150cm, lap joints with plastic or compacted sand secluded free movement, and then backfill, the first layer of compacted backfill guarantee before the next step, layered backfill must be compacted.