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OnBuy.com£21.32Visit shop Flashing Tape 300Mmx10m 8694461364393
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B&Q£21.36Visit shop - Flashing Tape 300Millimetres X10 Metres
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This B&Q self-adhesive flashing tape is an ideal solution for homeowners and contractors seeking an instant, waterproof emergency repair seal for roofs, gutters, and various exterior structures. It is designed for fast, hassle-free application on surfaces like metal, brick, and glass, offering a reliable barrier against moisture; however, users should note that while it cures immediately at 20°C, extreme cold temperatures may require additional surface preparation or heating to ensure optimal adhesion.
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No, the surface must be clean and dry for the adhesive to form a reliable, waterproof seal.
While it is designed for metal, brick, glass, wood, and cement, adhesion on certain plastics can be inconsistent; test a small area first.
The tape cures best at 20°C. Application in extreme cold should be avoided or assisted with gentle heat.
It is designed for standard exterior weather conditions; it is not intended for use in high-heat areas like direct contact with active flue vents.
It is generally not recommended to paint over the flashing tape, as the surface material is not designed for paint adhesion.
Ensure the surface is completely clean, dry, and free of oil or dust. If the temperature is very low, gently warm the surface with a heat gun before application.
Use a seam roller or a soft cloth to press the tape down firmly from the center toward the edges during the initial application.
The surface may have been damp during application. Remove the affected section, clean and dry the area, and re-apply.
To apply the flashing tape, first prepare the surface by cleaning it thoroughly; the area must be dry and free of debris for the adhesive to bond properly. Measure the required length and cut with a sharp utility knife. Peel away the backing film carefully and press the tape firmly onto the target area, using a roller or cloth to smooth out any air bubbles, ensuring full contact with the substrate. For maintenance, periodically inspect the sealed areas to ensure the edges have not lifted due to extreme weathering. If edges do lift over time, the area should be cleaned and a new strip applied overlapping the old section.
