Bostik 30629400-20PK 20-Pack Seal n Flex Construction H361

Bostik Seal ‘N’ Flex Construction H361 is a premium, flexible polyurethane sealant engineered for strong adhesion, long-term durability, and reliable joint performance. Designed to withstand movement, vibration, and harsh weather conditions, it is ideal for sealing and bonding in both interior and exterior construction applications.

Features:

• High flexibility for joints exposed to movement and vibration
• Excellent adhesion to a wide variety of construction substrates
• Long-term durability and weather resistance
• Suitable for indoor and outdoor use
• Paintable once cured for a seamless finish

Application:

• Façade and roof joints
• Expansion and compensation seams
• Panel cracks and glazing applications
• Renovation and new construction projects

Specifications:

• Product Code: 30629400
• Technology: Polyurethane (PU) sealant
• Colour: Grey (other colours may be available)
• Movement Capability: ±25% (approx.)
• Cure System: Moisture curing
• Skinning Time: ~1 hour (at 23°C, 50% RH)
• Full Cure: ~2–3 mm per 24 hours
• Shore A Hardness: ~35 (approx.)
• Service Temperature: -40 °C to +90 °C
• Application Temperature: +5 °C to +40 °C
• Packaging: 600 mL sausage / 290 mL cartridge (depending on SKU)
• Shelf Life: 12 months (stored unopened in cool, dry conditions)