OB1 Beige Multi-Surface Construction Sealant & Waterproof Adhesive
Versatile OB1 sealant bonds metals, plastics & more. Waterproof, food-safe & solvent-free for kitchens, roofing & marine use.
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.
After bigger quantities? Need extra quantities? Get in touch and we'll organise it for you.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
- Marine & pool repairs
- Solar panel installations
- Roofing & lead flashings
- Kitchen & bathroom sealing
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- Colour: Beige
- Zero VOCs
- Temperature Range: -40°C to +120°C
- Elongation: 350%
- Food Safe: ISEGA Certified
- Weather & UV Resistant
- Bonds: Metal, Plastic, Wood, Glass, Fibreglass, Lead
- Weight: 517g
- Waterproof & Saltwater-Resistant
- No Shrinkage or Cracking
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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