CEM 805 Active – Hydroswelling Polyurethane Sealant for Construction Joints
CEM 805 Active is a one-component, polyurethane-based, solvent-free hydroswelling sealant designed for sealing construction joints and pipe penetrations. It cures and expands upon contact with moisture, providing long-lasting and effective water protection.
Key Features & Benefits
✔ Solvent-free formula – Safe & eco-friendly
✔ Expands up to 200% for superior water-sealing performance
✔ Highly flexible – Adapts to irregular surfaces
✔ Fast curing – Becomes firm in 24 to 36 hours
✔ Compatible with concrete, PVC, HDPE, and steel
✔ Easy application with a standard caulking gun
✔ WRAS Approved – Suitable for potable water contact
✔ Excellent chemical resistance – Suitable for various environments
✔ Long lifespan – Lasts beyond the structure’s lifetime
Applications
✅ Sealing construction joints
✅ Pipe penetrations in concrete structures
✅ First-line filler for cracks & voids
✅ Smooth & rough surfaces, even when slightly humid
✅ Waterproofing solutions for underground & submerged structures
Why Choose CEM 805 Active?
CEM 805 Active offers a powerful swelling effect, ensuring highly effective sealing of construction joints. It cures quickly, is easy to apply, and delivers long-term protection against water ingress.
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TDS
Cem 805 Active TDS 2019 05
Cem 805 Active SDS 2019 05
Details
| Product Description |
CEM 805 Active Swellable Mastic |
| Product Code |
CEM805ACT |
| Packaging and Size |
310 ml tube |
| Coverage |
Dependent on application |
| Storage |
Store in cool, dry conditions in original packaging. |
| Life Expectancy |
12 months when stored correctly. |
