OB1 Beige Multi-Surface Construction Sealant & Waterproof Adhesive

The OB1® Beige Multi-Surface Construction Sealant & Adhesive is a high-performance, waterproof solution designed for versatile bonding and sealing applications. With zero VOCs and exceptional flexibility, it is suitable for both wet and dry conditions, including underwater and harsh weather environments.

This advanced sealant offers excellent chemical resistance, resists fungal growth, and conforms to ISEGA food safety standards, making it ideal for kitchens and food preparation areas. It bonds a wide range of materials, including metals (such as aluminium and steel), plastics (PVC, GRP, polypropylene), glass, fibreglass, wood, and even lead flashings—without shrinking, cracking, or degrading surfaces.

Key Features:

• Bonds & seals underwater (saltwater-resistant)
• Works in temperatures from -40°C to +120°C
• 350% elongation capacity for flexible movement
• Solvent-free, isocyanate-free, and odourless
• A+ air quality rating for indoor use
• Paintable and weather-resistant

Applications:

• Marine & pool repairs (tiles, seals)
• Solar panel installations (permanent bonding)
• Mirror adhesion (no backing degradation)
• Roofing (lead flashings, gutters)
• Bathroom & kitchen sealing (mould-resistant)
• Gardening (terracotta, concrete, ponds)

A superior alternative to traditional silicone, OB1® ensures long-lasting, structural bonds without the risk of solvent evaporation or collapse. Ideal for DIY, construction, and industrial projects.