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B&Q£57.99Visit shop B&Q - Heavy Duty Expanding Foam 340Ml6 PackFast-CuringMulti-Purpose Sealant For Gaps & Cracks
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This 6-pack of Gorilla Heavy Duty Expanding Foam in White is designed for DIY enthusiasts and professionals needing to efficiently seal, fill, and insulate gaps, cracks, and cavities. Its key benefit is a fast-curing, heavy-duty formula that provides a durable, weather-resistant seal and offers insulating properties. A potential caveat is that it is a bulk 6-pack, which may be more than needed for very small projects.
| Colour | White |
|---|---|
| Brand | Gorilla |
The curing time can vary depending on the temperature, humidity, and depth of the application. Generally, the foam is tack-free in about 10-20 minutes and can be trimmed or painted after approximately 1 hour. Full curing can take up to 24 hours.
Yes, Gorilla Heavy Duty Expanding Foam is suitable for both indoor and outdoor applications. It provides a weather-resistant seal once cured.
The foam adheres well to wood, metal, concrete, masonry, plaster, and most plastics. Ensure surfaces are clean, dry, and free from dust or grease for best adhesion.
Uncured foam can be cleaned using acetone or a specialized expanding foam cleaner. Wear protective gloves and eyewear. Always test the cleaner in an inconspicuous area first. Cured foam must be mechanically removed (e.g., cut away).
Yes, once the foam is fully cured, it can be painted over. Ensure the surface is clean and dry before painting.
When stored correctly (upright, in a cool, dry place, away from direct sunlight), the foam typically has a shelf life of 12-18 months. Check the can for the expiry date.
No, this expanding foam is designed for filling, sealing, and insulating. It is not intended for structural support applications.
Ensure the can is adequately shaken and the nozzle is clear. Check if the safety tab has been fully removed and the nozzle is securely attached. If the can is cold, warm it gently in a bucket of warm water.
The surface may not have been properly prepared (clean, dry). Ensure the can was shaken sufficiently and used at the recommended temperature range. Moisten surfaces lightly with water to aid expansion and adhesion.
Shake the can more frequently during application. Maintain a consistent distance from the surface. Practice on a scrap piece of material first to get a feel for the dispensing rate and expansion.
The foam may not have fully cured. Allow more time for curing, ensuring proper ventilation. Avoid touching uncured foam; use a solvent recommended by the manufacturer for cleanup if necessary (test in an inconspicuous area first).
Setup: Ensure the surface is clean, dry, and free from dust or grease before application. Shake the can vigorously for at least 30 seconds. Puncture the safety tab and screw on the applicator nozzle. Invert the can to dispense foam. Fill gaps to approximately 50% capacity, as the foam will expand.
Compatibility: This expanding foam is suitable for use on wood, metal, concrete, masonry, plaster, and most plastics. It is designed for both indoor and outdoor applications.
Care: Wear gloves and eye protection during use. Apply in a well-ventilated area. Cured foam can be trimmed with a sharp knife once fully set. Store cans upright in a cool, dry place away from direct sunlight and heat sources. Follow manufacturer instructions for storage duration.
