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B&Q£18.99Visit shop B&Q - Liquid Rubber Leak Seal 500Ml Black Quick-Dry Waterproof Leak Sealer For Emergency Roof And Gutter Repair
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Stormdry Liquid Rubber Leak Seal is a fast-acting solution for sealing urgent leaks on roofs, gutters, joints and more. Whether conditions are damp or dry, this all-weather formulation adheres instantly to common exterior surfaces including brick, concrete, roof felt, tiles, fibreglass and metal. Its moisture-curing technology allows it to be applied even on damp substrates, making it ideal for emergency roof repair, gutter sealing, or flashing restoration. Once poured or brushed on, the self-levelling formulation bridges and fills cracks up to 5 mm, delivering a continuous, watertight barrier in just one coat. For full protection, simply apply additional layers as needed. Stormdry Liquid Rubber Leak Seal forms a flexible, UV-resistant elastomeric membrane that resists cracking, splitting or flaking. This long-lasting protection makes it perfect for seasonal maintenance or on-the-spot leak prevention—without solvents or isocyanates. It’s also overpaintable after 48 hours, compatible with most coatings, and remains permanently flexible, even under temperature changes. Please note: not for use below ground level or on pipes under pressure.
| Colour | Black |
|---|---|
| Brand | Stormdry |
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