This product adopts an extruded three-dimensional net structure, with continuous and evenly distributed drainage channels, providing large drainage capacity and fast water discharge speed. The 8mm thick HDPE profile has high compressive strength, which can withstand the pressure from overlying soil and building loads without deformation. The fire resistance grade of V-0 ensures that it will not burn or release toxic gases in case of fire, meeting the fire safety requirements of underground projects. The UV stabilized material can maintain stable performance in outdoor environments, avoiding aging and embrittlement. It is easy to cut and install, reducing construction time and labor costs.
The product is made of HDPE raw materials, with a profile thickness of 8mm and a water channel pitch of 12mm. The permeability coefficient reaches 1.5×10^-2 cm/s, and the compressive strength is not less than 500kPa. The standard roll size is 1 meter wide and 20 meters long, and it can be cut into any size according to the actual construction needs. It has passed UL and CE certifications, meeting the safety and quality standards of global underground engineering projects. The surface is smooth and will not be blocked by soil particles, ensuring long-term stable drainage performance.
This 3D blind drain sheet is widely used in tunnel inner wall seepage drainage, underground civil air defense project drainage, subway station side wall drainage, underground shopping mall roof drainage, landscape pool anti-seepage drainage system, and other underground and underground-like scenarios. It can effectively collect and discharge seepage water, prevent waterlogging and damage to buildings and structures, and improve the safety and stability of underground projects. It is also suitable for the drainage treatment of green roof gardens and rooftop parking lots.
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