‘Supercast SW20 (red), Supercast SW10 (black) & Supercast SW30 (green)’. Extruded, PVC waterstop materials. ‘Supercast SW20 (red)’ is for use with water up to 50°C. ‘Supercast SW10 (black) & Supercast SW30 (green)’ are for use with water up to 23°C This material is for use in concrete reservoirs and similar structures, constructed in accordance with the design criteria of BS EN 1992 with respect to normal frequency of joints. The material has been tested at a reduced surface area to volume ratio of 1000mm² per litre as specified in BS 6920: Part 1.
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