Sika SikaTop-555 Seal Polymer-Modified Cementitious Waterproofing Coating
SikaTop-555 Seal (formerly MasterSeal 555) is a two-component polymer-modified cementitious waterproofing coating composed of liquid Part A and powder Part B. When mixed, it forms a flexible waterproofing membrane with excellent weather resistance and crack-bridging capability.
| Packaging | 36 kg / set |
|---|---|
| Colour | Grey |
| Coverage | Approx. 150 sq.ft (two coats) / 36 kg (Actual coverage varies with substrate conditions and application thickness) |
Applications
- Flat roofs, pitched roofs, small terraces, balconies
- Waterproofing of wet areas — bathrooms, kitchens
- Waterproofing of concrete structures — bridge parapets, beams and columns, water tanks, basements
Advantages
- High flexibility and crack bridging — elongation at break ≥ 200%, bridges cracks larger than 1 mm, accommodating normal structural movement
- Allows water vapour transmission, preventing internal vapour pressure build-up and keeping structures healthy
- Firm adhesion to concrete, mortar and other substrates; suitable for vertical and horizontal application