Since 1992

Sika 1 Waterproofer - 5 Litre


£60.40 inc. VAT



Sika-1 Waterproofer is an aqueous solution containing complex colloidal silicates. In the presence of water these swell and block the capillaries and pores in the applied sand cement renders, screeds and mortar to provide an effective water barrier against the transmission of liquid water.Sika-1 Waterproofer can be used alone as an admixture or as a waterproofing system when used in conjunction with the Sika-1 Pre-Bagged, Spritz, Render, Screed and Finishing Mortars.


  • Proven for more than 100 years
  • BBA Approved system.Pre batched system mortars available
  • For brick, concrete and stone substrates
  • Compatible with OPC and SRC
  • Can be applied against live water infiltration
  • Wall render and screed application
  • Can be used internally and externally

Areas for Use

  • Basements and cellars
  • Waterproofing of swimming pools and other water retaining structures.
  • Waterproofing of vaults and tunnels.Concrete, brick and structural blockwork.

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