Sika 1 Waterproofer *CLEARANCE*

Sika 1 Waterproofer *CLEARANCE*

SKU id4244 Non Hazardous
A liquid additive that prevents transmission of water through sand or cement renders, screeds and mortar.
Available in 5 Litres
£39.60 (£47.52 Inc VAT)
£39.60 (£47.52 Inc VAT)

Product Description

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Winter Special - Was £56.56 - Now only £39.60!

Sika-1 Waterproofer is an aqueous solution which blocks the capillaries and pores in brick, stone and concrete substrates, providing a barrier against the transmission of water.

Sika-1 Waterproofer is a liquid additive that prevents water from being absorbed through sand or cement renders, screeds and mortar. Sika-1 Waterproofer is a complex colloidal silicate solution that blocks the pores and capillaries in sand and cement renders. It can be used on its own or as an additive, as part of a waterproofing system.

Best Uses

Sika-1 Waterproofer is a product which is used within construction and industrial environments. It protects brick, concrete and stone substrates from the potential of intaking water or moisture which would damage the surface.


Sika-1 Waterproofer can applied both above and below ground level and in interior and exterior environments. All existing coatings should be removed, prior to application, and the exposed surface should be roughened, by mechanical or water blasting techniques. Please read the Sika-1 Waterproofer technical data sheets for full preparation and application methods.

Surface and Environment

Sika 1 Waterproofer can be applied to all brick, concrete and stone substrates to provide waterproofing protection that has been proven to last for more than 100 years. It is suitable for basements and cellars, waterproofing swimming pools, vaults and tunnels and for concrete, brick and structural blockwork.