Product Description:
PENTENS PU-300 is a single-component, moisture-cured polyurethane waterproofing membrane designed for long-lasting protection against water ingress. Upon application, it reacts with moisture in the air to form a seamless, elastic, and durable membrane. It is ideal for use on concrete, metal, or masonry surfaces in both above-ground and below-ground waterproofing applications.
Key Features:
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� Excellent Waterproofing Performance
Forms a seamless, fully bonded membrane without joints or weak points. -
Single-Component & Easy to Apply
No mixing required. Applied by roller, brush, or airless spray. -
� Highly Elastic
Bridges cracks and resists structural movement with elongation >500%. -
Excellent Adhesion
Bonds well to concrete, cement screeds, wood, and metal. -
Moisture Cured
Reacts with atmospheric moisture — ideal for humid environments. -
UV & Weather Resistant
Suitable for both indoor and outdoor use with good resistance to aging and chemicals.
Technical Specifications:
| Property | Value |
|---|---|
| Appearance | Thick liquid, usually black |
| Base | Polyurethane (solvent-based) |
| Application Method | Brush, Roller, Airless Spray |
| Curing Time (Touch Dry) | Approx. 6–12 hours |
| Full Cure | 24–72 hours (depending on humidity) |
| Elongation at Break | ≥ 500% |
| Tensile Strength | ≥ 1.5 MPa |
| Thickness (per coat) | ~1.0 mm (2–3 coats recommended) |
| Coverage Rate | ~1.5–2.0 kg/m² for full system |
| Packaging | 20 kg pail |
| Color | Black (standard) |
� Applications:
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Rooftops and terraces
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Balconies and decks
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Bathrooms and wet areas
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Podiums and planter boxes
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Foundations and basements
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Water tanks (non-potable)
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Retaining walls and tunnels
� Application Notes:
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Surface must be clean, dry, and free of dust or oil.
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Use PENTENS PU Primer for porous surfaces for better adhesion.
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Apply in multiple thin coats rather than one thick coat.
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Ensure proper ventilation when used indoors.
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Not suitable for negative water pressure areas unless overcoated.
