Krytonite Swelling Waterstop is the ultimate solution for waterproofing concrete construction joints. Krytonite is used instead of conventional swelling waterstops, or as part of the Krystol Waterstop System (KWS). Through its unique synthetic rubber technology, Krytonite swells up to 4 times more than ordinary rubber or bentonite swelling waterstops, and produces enough swelling pressure to withstand extreme hydrostatic pressure - even when exposed to salt water or when used in chloride or sulfate contaminated soils.
Despite its extraordinary swelling ability, Krytonite is specially engineered so that swelling action occurs after concrete has gained sufficient strength. This controlled swelling eliminates the risk of cracks or voids in the concrete that may occur if swelling was uncontrolled. Krytonite is easy to install and its innovative trapezoid shape resists dislodgement during concrete or shotcrete installation.
Its unique shape also allows better consolidation of the concrete around the waterstop, while the bright yellow color makes for easy inspection. Krytonite provides confidence that your projects jointing system will be waterproof for the life of the concrete.