Sika®-4a Waterstop

Sika®-4a Waterstop is a ready to use quick setting leak stopping liquid which is mixed with water and ordinary portland cement to produce a paste for leak stopping against high water pressure infiltration.
USES
■■ To seal against high and moderate water pressure infiltrations in concrete, rock or masonry.
■■ Allows Sika®-1 renders, gunite or shotcrete to be applied on structures exposed to running surface water.

CHARACTERISTICS & ADVANTAGES
■■ Ready to use.
■■ Rapid setting time.
■■ Just add water and ordinary portland cement.
■■ Chloride free.
■■ Suitable for contact with potable water.
■■ Dilutable to adjust setting time.
■■ Approx 30 mins setting time when diluted 1:1 with water.
■■ Approx coverage: 0.35ltrs per kg.