High Elongation ≥800% Silicone Waterproof Coating for Flexible Roofing
Kastar 4000 Silicone Waterproof Coating is a one-component, UV-resistant coating formulated for high flexibility. With an elongation at break ≥800%, it bridges cracks and accommodates structural movements in roofing, expansion joints, and bathrooms.
Key Selling Points
- Exceptional Flexibility: ≥800% elongation at break (source: applicable_industry) – prevents cracking under structural expansion and contraction.
- UV Resistance: Tested 1000h without cracking or peeling (source: applicable_industry) – ideal for outdoor applications.
- Wide Operating Temperature: -40°C to 180°C (source: applicable_industry) – suitable for diverse climates.
- Long Service Life: 10 years outdoor (source: applicable_industry) – reduces maintenance costs.
- CE Certified: Complies with EN 15651-1:2017 (source: cert) – trusted for European projects.
Technical Specifications
| Parameter | Value |
|---|
| Solid Content | 98% |
| Elongation at Break | ≥800% |
| Tensile Strength | ≥1.2 MPa |
| UV Resistance | 1000h no cracking/peeling |
| Operating Temperature | -40°C to 180°C |
| Service Life | ≥10 years outdoor |
Models and Options
Available as Kastar 4000 High Elongation variant. Custom colors and packaging upon request.
Materials and Structure
Formulated with high-purity silicone polymers. One-component, moisture-curing system. Supplied in liquid form, ready to apply with brush, roller, or spray.
Applications
- Roof waterproofing
- Exterior wall waterproofing
- Bathroom and balcony waterproofing
- Expansion joint sealing
- Basement and underground structure waterproofing
Customization
OEM/ODM services available: color adjustments, viscosity modifications, packaging options (buckets, pails). MOQ: 50 buckets. Payment: 30/70. Delivery: FOB/CIF.
Case Study
Our silicone waterproof coating has been adopted in roof waterproofing projects across EU, North America, and Southeast Asia. CE-compliant products deliver excellent waterproof performance under extreme weather, effectively preventing water leakage and structural damage. Clients include building material distributors and construction contractors.
FAQ
1. What is the elongation at break of this coating?
≥800%, allowing it to bridge cracks up to several millimeters.
2. How long does it last outdoors?
≥10 years under normal conditions.
3. Can it be applied on wet surfaces?
No, the substrate must be dry and clean for proper adhesion.
4. Is it UV resistant?
Yes, tested 1000h without cracking or peeling.
5. What certifications do you have?
CE certification (certificate number ICR/VC/HS260188) and ISO9001, SGS, REACH.
6. What is the MOQ?
50 buckets.
7. Can you customize the color?
Yes, we offer custom colors and packaging.
8. How is it packaged?
In new, sealed buckets with strong packaging to ensure shelf life.
Inquiry Information
Contact Nicole: Email: paint4566@kastarpaint.com, Tel/WhatsApp: +86 15974221507
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