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. Sika 4A Water Stop Admixture Is A Rapid Setting Ready To Use Chloride And Solvent Free 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 Reservoirs Concrete Pipes And Manholes. Sika 4A Water Stop Admixture Can Also Be Used In Quick Setting Mortar For Assembly Work E.g. For Fixing Anchors Bolts And Other Fitting Subject To Early Loading In Rock Or ConcretePTDSIKDIRSK4A5. Discover the Sika 4A Waterstop 5L Clear, your ultimate solution for rapid and effective waterproofing. Whether you're dealing with high water pressure infiltration or simply need a quick-setting mortar for assembly work, this product is designed to deliver exceptional performance. Simply mix with water and ordinary Portland cement to create a powerful paste that stops leaks in no time. Perfect for both professional use and DIY projects, Sika 4A Waterstop ensures that you can handle any waterproofing challenge with ease and confidence. This ready-to-use waterproofing admixture is both solvent and chloride-free, making it safe and reliable for a variety of applications. With its rapid setting properties, you can quickly plug leaks or fix issues without any hassle - offering unparalleled efficiency. Features & Benefits: Rapid setting for quick leak plugging and/or fixing. Ready to use – just add clean water & ordinary Portland cement. Solvent and chloride-free. Suitable for use in quick-setting mortar for assembly work. Ideal for high water pressure infiltration. Safe and reliable for various applications. Pack Size: 5ltr