Sika — Joints & waterstops
SikaSwell S-2
A swellable sealant used in approved concrete joint-waterproofing details.

- Joints & waterstops
- Joints
Verify before you specify
Listed by the manufacturer or a regional catalogue. Confirm formulation and availability for your market before specifying.
Check the current manufacturer technical data sheet for this product and market.
What it is
Hydrophilic polyurethane sealant.
A swellable sealant used in approved concrete joint-waterproofing details.
Source note: Current family in selected markets.
Where to apply
Construction joints and penetrations designed for this product.
Application overview
Apply a continuous bead of the specified profile/size to prepared substrate and cast concrete within the required time window.
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:
- Bead geometry
- Concrete cover
- Continuity
- Premature water exposure
- Movement limitations
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
Product image supplied from the manufacturer's published material.
Disclaimer
Check the current manufacturer technical data sheet for this product and market. Installation must follow the current TDS/SDS and the project specification.
More in this category

Sika
Legacy / market-dependentSika Multiseal
A tape for sealing suitable small joints, cracks and flashing details within its product limitations.
- Joints & waterstops
- Roofs
- Joints

Sika
Verify locallySikaSwell A
Product family — choose an exact grade
A profile that swells on contact with water to help seal designed concrete joints.
- Joints & waterstops
- Joints

Sika
Current familySika Waterbar
Product family — choose an exact grade
Profiles embedded in concrete to interrupt water paths through construction or expansion joints.
- Joints & waterstops
- Basements
- Tanks & reservoirs
Not sure this is the right product?
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