OB1 Silver Multi-Surface Sealant & Waterproof Adhesive (Box of 12)

OB1® Silver Multi-Surface Construction Sealant & Adhesive is a versatile and high-performance solution for bonding and sealing a wide range of materials, even in wet conditions. This solvent-free, hybrid polymer formula offers exceptional flexibility and durability, making it ideal for both indoor and outdoor applications.

Key Features:

• Bonds metals (including lead), plastics (PVC & GRP), glass, mirror, polystyrene, fibreglass, and wood
• Works in water, including saltwater environments
• Zero VOCs, making it environmentally friendly and safe for residential use
• Food safe (conforms to ISEGA Standards), suitable for kitchens and food preparation areas
• Paintable with excellent chemical and weather resistance
• Resists fungal growth and does not shrink or crack over time
• Unique flexibility, able to elongate up to 350%

Applications Include:

• Marine and pool sealing – bonds underwater without requiring pool drainage
• Carbon fibre, fibreglass, and GRP repairs – withstands vibration
• Solar panel installation – creates a permanent, weather-resistant seal
• Mirror adhesion – strong initial grab without degrading mirror backs
• Bathroom sealing – prevents mould with its solid, hole-free cure
• Lead flashing on roofs – seals effectively even when wet
• Gutter repairs – works underwater and maintains a long-lasting seal
• Gardening – repairs terracotta, ceramic, concrete, slate, and broken pots

Why Choose OB1®? This industrial-strength adhesive is odourless, safe for residential use, and maintains a robust bond from -40°C to +120°C. Its hybrid polymer formula ensures flexible adhesion, accommodating material expansion and contraction without failure. Perfect for marine, construction, and DIY projects, OB1® delivers reliable performance in the toughest conditions.