OB1 Silver Multi-Surface Construction Sealant & Waterproof Adhesive
Versatile OB1 construction sealant bonds metals, plastics & wood. Food safe, marine grade & works underwater with 350% flexibility.
OB1® Silver Multi-Surface Construction Sealant & Adhesive is a premium hybrid polymer sealant designed for professional and domestic applications. This versatile product provides outstanding adhesion and sealing properties across a wide range of materials while being completely solvent-free and environmentally friendly.
With exceptional resistance to weathering, temperature extremes (-40°C to +120°C) and harsh marine conditions, OB1® maintains flexible bonds with up to 350% elongation capability. Its unique formulation works equally well in wet or dry conditions, even under saltwater.
Key Features:
- Food safe - Complies with ISEGA standards for kitchen and food preparation areas
- Marine grade - Ideal for swimming pools and underwater applications
- VOC-free - A+ rated for indoor air quality with zero solvents or isocyanates
- UV resistant - Perfect for solar panel installations and external applications
- Multi-material bonding - Adheres to metals, plastics, wood, glass and composites
- Prevents mould growth - Solid cure with no holes for bacteria to breed
Whether you're sealing lead flashings on roofs, repairing garden ornaments underwater, bonding kitchen worktops or fixing leaking gutters, OB1® provides a superior, long-lasting solution that outperforms conventional silicone sealants.
- Sealing kitchens & food prep areas
- Marine applications & swimming pools
- Solar panel installations
- Bathroom sealing & mirror fixing
- Material: Hybrid polymer
- Colour: Silver
- Temperature range: -40°C to +120°C
- Elongation: Up to 350%
- VOC content: Zero
- Food safe: ISEGA certified
- Contains: No solvents or isocyanates
- Paintable: Yes
- Chemical resistance: Excellent
- Fungal resistance: Yes
- Weight: 375g
Free standard delivery on UK 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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