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B&Q£129.99Visit shop B&Q - Black Multi-Surface Construction Sealant & Adhesive 290Ml Tube (12 Pack)WaterproofWeatherproof Silicone
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The OB1 Black Multi-Surface Construction Sealant & Adhesive is designed for trade professionals and DIY users needing a reliable solution for sealing, bonding, and filling in construction, maintenance, and repair projects. Its key benefit is a durable, waterproof, and weatherproof finish suitable for both interior and exterior applications across a wide range of building materials. A potential caveat is the specific black color, which might not suit all aesthetic requirements if not matched carefully.
| Colour | Black |
|---|---|
| Brand | OB1 |
It is designed for multi-surface use and adheres well to concrete, brick, plaster, wood, metal, and certain plastics. Always test on a small, inconspicuous area first.
Yes, its waterproof and weatherproof formula makes it ideal for both interior and exterior use, providing durable protection against the elements.
Cut the nozzle tip at a 45-degree angle for optimal bead size. Immediately after application, tool the bead with a wet finger or spatula for a smooth, professional finish. Clean up any excess uncured sealant with a damp cloth.
Store unused tubes in a cool, dry place away from frost. Properly stored, the sealant typically has a shelf life of at least 12 months. Check the packaging for specific expiry dates.
Once fully cured, the sealant can usually be painted over. It's recommended to test paint adhesion on a small, cured area first.
The sealant comes in a 290ml tube that requires a standard caulking gun for application.
While often used interchangeably, sealants primarily fill gaps and prevent the passage of fluids or air, whereas adhesives are designed to bond two surfaces together. This product acts as both.
Ensure the nozzle tip is cut and the inner seal is punctured. Check that the caulking gun is properly loaded and engaged.
Verify surfaces are clean, dry, and free from dust, grease, or previous coatings. For porous surfaces, ensure they are primed if necessary.
Practice with a scrap piece of material. Ensure consistent pressure on the caulking gun trigger and a steady movement. Tool the bead with a wet tool immediately after application if needed.
Ensure adequate ventilation and check that the application temperature is within the recommended range. Extreme humidity or cold can affect curing.
Setup:
To use the OB1 Black Multi-Surface Construction Sealant & Adhesive, ensure you have a standard caulking gun. Cut the nozzle tip at a 45-degree angle to achieve the desired bead size. Puncture the inner seal with the gun's retainer clip or a suitable tool before loading the tube.
Compatibility:
This sealant and adhesive is designed for multi-surface use and is compatible with a wide range of common building materials including concrete, brick, plaster, wood, metal, and some plastics. Always test on an inconspicuous area first, especially on sensitive surfaces.
Care and Surface Preparation:
Surfaces must be clean, dry, and free from dust, grease, and loose material before application. For best adhesion, prime porous surfaces. After application, tool the bead with a wet finger or spatula if necessary. Excess uncured sealant can be wiped away with a damp cloth. Cured sealant can be removed mechanically or with specific solvent cleaners.
Storage:
Store unused tubes in a cool, dry place, away from direct sunlight and frost. Ensure the nozzle is sealed or protected to prevent drying out.
