Sika 4A Waterstop Leak Sealing Admixture 5L

Sika 4a Waterstop is a rapid setting, ready to use waterproofing admixture which can be used to produce a paste for leak stopping against high water pressure infiltration when mixed with water and ordinary Portland cement.

• Leak stopping cement admixture
• Seals against high water pressure
• Can be diluted up to 1 : 4 with water
• Internal and external use
• Suitable for contact with drinking water
• Does not contain chlorides, and is solvent free
• Ready to use – just add clean water and ordinary Portland cement
• Rapid setting for quick leak plugging and/or fixing