A compound of rubber and bitumen in strip form for sealing the joints of precast concrete units to provide a permanently flexible watertight seal when compressed between joint faces previously primed with Tokstrip Primer.

Tokstrip is resistant to chemical and biological attack. Recommended by precast concrete manufacturers, when used with Tokstrip Primer it meets BS EN 1917 requirements for manholes (no need for concrete surrounds) and has a worldwide proven track record for over 45 years.