Sichuan Chengdu water storage and drainage board manufacture

  Construction instructions: 1
Clean up the garbage on the laying site and level it with cement
There is no obvious concave convex on the site
The roof of outdoor garage and roof garden need 2-5‰ Slope making; 2
Pave the cup-shaped mouth of the drainage board upward and buckle the perforations; 3
The drainage board is covered with geotextile, which is overlapped with each other for 10 ~ 20cm to prevent muddy water from passing through the geotextile and silting the storage and drainage system, resulting in poor drainage and reduced water storage; 4
Lay 10 ~ 20mm medium coarse sand on the geotextile to form an infiltration filter layer, which can prevent the loss of planting soil; 5
Cover with planting soil of appropriate thickness
6
The finished products of drainage boards shall be well protected
After the drainage board is paved, it shall not be allowed to directly push and transport trolleys on the drainage board
When transporting materials, wooden boards and berms shall be paved to ensure that the soil is filled with paving