Waterbar
A waterbar (or waterstop) is a: ‘Preformed strip of durable impermeable material that is wholly or partially embedded in concrete bund walls and floors during construction or remediation. The strip is located across joints in the structure to provide a permanent liquid-tight seal during the whole range of joint movement.’
Ref Containment systems for the prevention of pollution, Secondary, tertiary and other measures for industrial and commercial premises (CIRIA C736), published by CIRIA in 2014.
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