– Is an expanding sealing tape made of bentonite with time-delaying protective membrane.
– Composed of natural bentonite clay, which swells on contact with water and butyl rubber, which makes it flexible.
– is fitted with a time-delaying protective membrane that prevents the swelling before casting for about 2-3 days. The protection disappears when casting because of the increased pH.
– is certified by Vattenfall.
– is equivalent to Volclay.