Supply of roof greening drainage board/15169532787/Zhongyu drainage board base

Supply of roof greening drainage board/Zhongyu drainage board base laying procedures
Clean up the garbage and cement leveling at the laying site so that there are no obvious concavities and convexities on the site. Outdoor garage roofs and roof gardens need to find slopes.
In this way, the water discharged from the drainage board can be drained to the nearby sewer pipe or nearby city sewer.
The basement floor is waterproof and has an elevated floor above the foundation. That is to say, before making the floor, a layer of drainage board is made. A round protruding platform is left downwards and a blind ditch is left around so that the groundwater cannot come up and seep through the space of the drainage board naturally. It flows into the surrounding blind ditches and then flows into the sump through the blind ditches.
To prevent water seepage in the inner wall of the basement, drainage boards can be laid on the main wall of the building with round protrusions facing the main wall. Build a single wall outside the drainage board or use steel mesh cement to protect the drainage board so that the space of the seepage board outside the wall flows straight down into the blind ditch and into the sump.
When laying drainage boards in any area, care must be taken not to allow soil, cement, yellow sand and other garbage to enter the front space of the drainage board to ensure that the space of the drainage board is unobstructed.
When the drainage board is laid, protective measures should be taken as much as possible. When laying the drainage board in an outdoor garage, backfilling should be done as soon as possible to prevent strong winds from disrupting the drainage board and affecting the laying quality. For basement and interior wall waterproofing, a protective layer should be installed as soon as possible to prevent the drainage board from being damaged by people or objects.
Backfill soil is cohesive soil. It is ideal to spread a centimeter of yellow sand on top of the geotextile, which is beneficial to the water filtration of the geotextile. If the backfill soil is a kind of nutrient soil or light soil, there is no need to lay another layer of yellow sand. The planting soil itself is very loose and can easily filter water.
When laying the drainage board, the sides of the drainage board should be overlapped with each other, and the fulcrum can also be aligned with the two bottom plates and overlapped with geotextile. As long as no soil enters the drainage channel of the drainage board, drainage can be kept smooth.
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