Bentonite and expansion tape
Bentonite is a material that has the ability to expand up to several times its volume when it comes into contact with moisture. Thanks to this particularity, the hydroexpansive bentonite joints prevent the passage of water in all those joints or joints to be waterproofed.
They are commonly used in joints between foundations and load-bearing walls, in concrete joints, sealing joints in tunnels, sewer boxes and water tanks, pipes, pillars, etc. The application possibilities of bentonite are enormous.
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