Den Braven Polyflex 422 is a professional-grade polyurethane sealant, designed for durable and flexible sealing in construction, glazing, and industrial applications. It moisture-cures to form a strong, elastic rubber seal, ensuring long-lasting adhesion and resistance to environmental conditions.

Key Features & Benefits

Excellent Adhesion – Bonds effectively to most substrates, even damp surfaces

High Mechanical Performance – Engineered for superior durability in demanding conditions

Permanently Elastic – Maintains flexibility over time, accommodating movement & temperature changes

Paintable – Compatible with water-based paints, allowing for seamless integration into projects

Weather & UV Resistant – Provides long-term protection in indoor & outdoor applications

Ideal Applications

✔️ Sealing connection & expansion joints in concrete, wood, metal, aluminium, PVC, and masonry ✔️ Glazing systems, including curtain walls ✔️ Industrial sealing solutions requiring durability & elasticity

Usage Notes

Ensure proper surface preparation before application for best results

Allow sufficient curing time for maximum flexibility & durability

Store in a cool, dry place to maintain product integrity

Reliable, Long-Lasting Bonding & Sealing

For high-performance, flexible, and weather-resistant sealing, Den Braven Polyflex 422 Brown 300ml delivers exceptional adhesion and durability, making it the ideal choice for construction, glazing, and industrial projects