Sika — Cementitious coatings & leak stopping
SikaTop Seal-107
A cement-based coating for improving water tightness and protecting suitable concrete and masonry surfaces.

- Cementitious coatings & leak stopping
- Basements
- Balconies & terraces
- Tanks & reservoirs
- Swimming pools
Verify before you specify
A current product family. Choose the exact grade from the manufacturer data sheet.
Check the current manufacturer technical data sheet for this product and market.
What it is
Two-component polymer-modified cementitious waterproofing slurry/coating.
A cement-based coating for improving water tightness and protecting suitable concrete and masonry surfaces.
Where to apply
Approved internal/external concrete and masonry; selected tanks, reservoirs, basements, retaining structures, pools and balconies according to the local TDS and potable-water approval where relevant.
Application overview
- Prepare sound substrate.
- Repair voids.
- Condition substrate as specified.
- Mix the pre-dosed components.
- Apply the required coats and cure/protect as directed.
High-level steps only. Mixing, coverage, thickness, timing and curing come from the current data sheet.
Technical controls
What the applicator must check before and during the job:
- Component ratio
- Substrate moisture
- Coat thickness
- Intercoat timing
- Curing
- Pressure exposure
- Crack movement
- Potable-water certification
Official documents
The library may be a regional site. Confirm the data sheet matches the product and market you are buying.
Image and source status
This image is reused from our existing product range.
Disclaimer
Check the current manufacturer technical data sheet for this product and market. Installation must follow the current TDS/SDS and the project specification.
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Legacy / market-dependentSikaTop-109 / 209 Reservoir / 141 Impermeabilisation
Product family — choose an exact grade
Product names appearing in selected markets/catalogues; formulation and use may vary by country.
- Cementitious coatings & leak stopping
Not sure this is the right product?
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