SIG Construction Accessories stock Bentonite Membrane & Carpet and ancilliary products such as powder, paste and granules.
When the substance comes into contact with water, it converts from a dry clay to an impenetrable waterproof gel, providing a continuous mechanical bond to concrete. Common applications include use under structural slabs, sheet piling, tunnels and concrete walls.
Key manufacturers include: Sika, Fosroc and RIW.
