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Sika®-4a Waterstop

£109.99 Each
In stock

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.

  • Ready to use – just add clean water and ordinary Portland cement
  • Does not contain chlorides
  • Solvent free
  • Suitable for use in quick setting mortar for assembly work
  • Rapid setting for quick leak plugging and/or fixing


  • 0.35L to 1kg dosage
  • Chloride free
  • Quick curing / drying


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Manufacturer Sika
Unit of Sale Each
Colour Clear
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