The higher the convex point of the drainage plate, the greater the displacement of the corresponding same mass, the lower the convex point, the greater the pres...
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The higher the convex point of the drainage plate, the greater the displacement of the corresponding same mass, the lower the convex point, the greater the pressure. Drainage board of high pressure, easy to lay, garage roof and roof planting laying drainage board convex point upward, spread geotextile can be. The convex point of the drainage board laid on the basement floor is downward, and the concrete can be poured. The laying of drainage board saves time, effort and cost, which is the preferred choice for the roof greening and planting of large garage basement in modern architecture
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