Cementitious waterproofing
JS polymer cement waterproof coating
The JS waterproof coating specified across Asia and Africa. It bridges hairline cracks and goes onto damp concrete — which is most concrete in the tropics.
Flexible, water-based, and happy on damp substrates
- Family
- Cementitious waterproofing
- Common packaging
- Liquid + powder set
- Standards
- GB/T 23445-2009
Where it is used
- Roofs and exterior walls
- Bathrooms under tile
- Below-grade works
Why this line sells
- Applies to damp substrates without a primer
- Water-based and low odour
- Liquid and powder ship separately, so freight is cheap
Typical values
- Solids content
- ≥ 70%
- Tensile strength
- 1.2–1.8 MPa
- Elongation at break
- 80–200%
- Impermeability
- 0.3 MPa · 30 min
- Bond strength
- 0.5–1.0 MPa
Standards
- GB/T 23445-2009
Typical values against the referenced standards. Actual values are shown on the test report issued for each batch, and specifications can be adjusted to local standards and customer requirements.
Other products
View all- Cementitious waterproofing
K11 polymer cement waterproof slurry
The bathroom and basement workhorse, in general and flexible grades
- Solids content
- ≥ 70%
- Tensile strength
- 1.2–1.8 MPa
- GB/T 23445-2009
- JC/T 2090-2011
- Liquid-applied waterproofing
Acrylic waterproof roof coating
Coloured, UV-stable, and the white one cools the building
- Solids content
- ≥ 65%
- Tensile strength
- 1.0–1.5 MPa
- JC/T 864-2008
- Liquid-applied waterproofing
Single-component polyurethane waterproof coating
Liquid applied, high strength, high elongation — one seamless membrane
- Solids content
- ≥ 85%
- Tensile strength
- 2.0–12.0 MPa
- GB/T 19250-2013