Sika-4a Water Stop 5L Strimmer Compact telescopic design
Sika-4a Water Stop 5L Strimmer Compact telescopic designSika 4a is a rapid setting waterproofing admixture. When mixed with ordinary Portland cement and water, it sets rapidly to seal areas of severe water infiltration through concrete, rock or masonry. Sika 4a is used as preliminary waterproofing work on wet surfaces or where there is general infiltration of water, prior to the application of subsequent cementitious render or gunite. Typical applications are tunnels and culverts, mine galleries, water
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