OB1 Anthracite Multi-Surface Construction Sealant & Adhesive (Box of 12)

The OB1® Anthracite Multi-Surface Construction Sealant & Adhesive is a high-performance, solvent-free hybrid polymer sealant and adhesive that bonds multiple surfaces including metals (even lead), plastics (PVC & GRP), glass, mirror, polystyrene, fibreglass, and wood. It works in both wet and dry conditions, even underwater in saltwater environments. With zero VOCs, it is environmentally compliant and safe for residential, domestic, and industrial use.

Key Features:

• Excellent chemical resistance
• Resistant to fungal growth
• Weatherproof and UV-resistant
• Food-safe (conforms to ISEGA Standards)
• Paintable with no shrinkage
• Unique flexibility (elongates up to 350%)
• Non-solvent & isocyanate-free
• Works in wet conditions (including underwater applications)

Applications:

• Aluminium & Wood Bonding – Maintains bond from -40°C to +120°C, perfect for exterior and refrigerated environments.
• Food-Safe Kitchen Applications – Ideal for sealing and bonding marble, granite, and quartz worktops without staining.
• Marine & Pool Sealant – Underwater repairs for tiles, sealants, and structural bonds without draining water.
• Carbon Fibre, Fibreglass & GRP – Vibration-resistant, instant repairs.
• Plastic to Metal & Steel – Flexible adhesion without etching.
• Solar Panel Installation – Permanent non-shrinking seal that outperforms silicone.
• Mirror Adhesive – No solvent damage, strong initial grab.
• Bathroom Sealant – Prevents mould with zero VOCs and no cracks.
• Roofing & Gutter Repairs – Seals lead flashings, gutters, and more directly in wet conditions.
• Garden Repairs – Fixes terracotta, ceramic, concrete, slate, and ponds underwater.

With its A+ air quality rating, OB1’s odourless, long-term