OB1 Terracotta Multi-Surface Construction Sealant & Adhesive, Pack of 2
Versatile OB1® Terracotta sealant bonds multiple surfaces underwater, in kitchens & more. Solvent-free, food-safe & weather-resistant.
OB1® Terracotta Multi-Surface Construction Sealant & Adhesive is a versatile hybrid polymer sealant and adhesive perfect for a wide range of construction and repair tasks. Offering exceptional bond strength and flexibility, this high-performance sealant works on various surfaces, including metals, plastics, glass, fibreglass, wood, and more—even underwater.
Key Features:
- Bonds metals (including lead), plastics (PVC, GRP), glass, mirrors, polystyrene, fibreglass, and wood
- Waterproof—works in wet or dry conditions, including saltwater
- Zero VOCs—safe for indoor air quality (A+ rating)
- Food safe (conforms to ISEGA standards)—ideal for kitchens and food prep areas
- Resists fungal growth, weather, and chemicals
- Paintable and does not shrink or crack
- Maintains strong bonding from -40°C to +120°C
- High flexibility—elongation up to 350%
Applications:
- Marine & Pool Use: Bonds underwater, resistant to saltwater—ideal for swimming pools and boat repairs
- Roofing & Flashing: Seals lead flashings to stone, brick, and felt—even when wet
- Solar Panels: Solvent-free formula prevents cracking and collapse, ensuring a permanent seal
- Mirror Adhesive: No solvents or isocyanates, preventing mirror degradation
- Bathroom Sealing: Zero VOCs prevent mould and bacterial growth—ideal for wet environments
- Garden & Pond Repairs: Fixes terracotta, ceramics, cracked concrete, slate, and underwater garden ornaments
Environmentally compliant, odourless, and safe for domestic and industrial use, OB1® provides a long-lasting solution for sealing, bonding, and repairing across multiple surfaces.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
- Shipped within 0-2 business days
- Shipping to Worldwide: 6-7 business days*
- Free Shipping Included
- Marine applications & swimming pools
- Solar panel sealing
- Kitchen and food prep surfaces
- Roofing & lead flashing
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- Material: Hybrid Polymer
- Pack Size: Pack of 2
- Weight: 1034g
- Temperature Resistance: -40°C to +120°C
- Elongation Capacity: Up to 350%
- Food Safe: Yes (ISEGA compliant)
- Solvent-Free: Yes
- Paintable: Yes
- Waterproof: Works under water
- Zero VOCs: A+ air quality rating
Always follow local regulations and product guidance.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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