A multi-surface construction sealant and adhesive designed for strong, long-lasting bonds across common building materials. OB1 Multi-Surface Construction Sealant & Adhesive gives peace of mind for repairs and installations that may face water, temperature swings and chemical exposure. Will it be the right choice for pool repairs and food-contact areas?
⚡ At a Glance
- • Adhesion Strength: Bonds felt, copper, aluminium, mirrors, wood, plastic, steel, glass and tile
- • Best for: Sealing and bonding in wet areas, tiled installations and general building repairs
- • Not ideal for: Use under synthetic or oil-based paints without first testing a small area
Hybrid polymer formulation enables underwater application and strong chemical resistance. Durable across temperatures from -40°C to +120°C and odourless with food-safe approval.
Apply Underwater, With Confidence – Thanks to hybrid polymer formulation
Hybrid polymer chemistry permits adhesion and curing in closed-face underwater applications, forming a structural bond for tiles and similar surfaces. Approved for use in swimming pool floor and wall tile applications without draining the pool when applied in closed-face situations.
Useful for repairing or installing pool tiles while avoiding the disruption of draining, saving time and effort.
Safe for Food-Contact Areas – With an odourless, solvent-free formula
Formulation contains no solvents or isocyanates and has earned an A+ air quality rating for low emissions. ISEGA approval confirms suitability for food-contact contexts where appropriate certification is required.
Suitable for kitchens and catering environments where low odour and food-safe materials are required.
Handles Extreme Temperatures – Thanks to wide thermal tolerance
Composition maintains bond integrity from -40°C to +120°C and resists many chemicals, making it compatible with refrigerated and exposed outdoor environments. Compatibility with most paints is noted, though synthetic and oil-based paints should be tested first.
Reliable for freezer rooms, outdoor joins and installations that face significant temperature swings.
✨ The 4 Key Reasons for OB1 Multi-Surface Construction Sealant & Adhesive
- Proven formula — Trusted by tradespeople for consistent performance across projects
- ISEGA-approved — Certified safe for indirect food-contact applications in kitchens and catering areas
- Odourless, solvent-free — Suitable for indoor use without strong chemical smells disturbing occupants
- Paint-compatible — Paint can be applied over cured sealant after compatibility testing
📋 Technical Details at a Glance
- Category: Home Improvement
- Volume: 290ml
- Colour: Clear
- Formulation: Hybrid polymer, solvent-free
- Surfaces: Felt, copper, aluminium, mirrors, wood, plastic, steel, glass, tile
❓ Frequently Asked Questions
Q: Can this sealant be used underwater?
A: Yes, the hybrid polymer formulation allows application and structural bonding in closed-face underwater situations, for example floor and wall tiles in swimming pools, without draining the pool.
Q: Is the sealant safe for use in kitchens and food areas?
A: Yes, the formulation has ISEGA approval for food-safe use and is odourless, making it appropriate for food-contact contexts where certification is required.
Q: Which surfaces will the sealant bond to?
A: Bonds a wide range of materials including felt, copper, aluminium, mirrors, wood, plastic, steel, glass and tile.
🏆 Our Verdict
Suitable for tradespeople, pool installers and confident DIYers who need a durable, waterproof seal that meets food-safe requirements. Hybrid polymer chemistry, a long-established original formulation and odourless, solvent-free composition make it especially valuable for wet and sensitive environments. Long-term value comes from wide temperature tolerance, proven underwater performance and versatile surface compatibility.
