The tunnel waterproof board we know is mainly used in the dam type engineering, as well as the anti-seepage effect of the channels and reservoirs. So, do we have a tunnel waterproof board in our life?

　　Of course, there are subways, basements, tunnels in our basement, and tunnel waterproofing boards can be used in conjunction with other materials in various projects. For example, tunnel waterproofing boards can be combined with filament geotextiles and bentonite. Geotextiles such as waterproof blankets are used in a perfect combination in sanitary landfills.

　　When we are laying the tunnel waterproof board, because the thickness of the tunnel waterproof board is only 0.5mm-1.5mm, when the foundation treatment is carried out, the tunnel waterproof board should pay special attention to ensure the cleaning of the site. There must be no sharp objects and all items can not be Because the width of the tunnel waterproof board is more than 2-6, so if there are items, the width is not enough. The length of the tunnel waterproof board is 20-50 meters and the longest stretchable reaches 1000%, because the tunnel waterproof board is also Don't worry about using it in winter because the tunnel waterproof board is resistant to freezing up to -70 degrees.