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OnBuy.com£56.69Visit shop Everbuild Sika Black Jack Flashing Tape, Trade 5063750607009
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B&Q£59.79Visit shop - Everbuild Sika Black Jack Flashing TapeTrade Multi Colour (150mm X 10M)
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The Everbuild Sika Black Jack® Flashing Tape Trade is designed for builders, roofers, and DIY enthusiasts seeking a durable, waterproof seal for various applications. Its key benefit is the immediate, strong, and waterproof bond achieved simply by hand pressure, eliminating the need for special tools. A potential caveat is its bitumen-based adhesive, which may perform best in moderate temperatures and require proper surface preparation for optimal adhesion.
| Brand | Everbuild Sika |
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The tape is suitable for a wide range of building materials including concrete, brickwork, slate, metal, wood, and certain plastics. Always ensure the surface is clean and dry.
No, the tape is designed to be applied by hand pressure alone. A sharp knife or scissors is needed for cutting, and a roller can help ensure good adhesion.
The aluminium facing provides good durability against weather. However, the lifespan depends on the application, environmental conditions, and proper installation. Regular inspection is recommended.
While excellent for flashing and sealing, it's primarily a repair and sealing tape, not intended as a primary roofing membrane for large areas. For extensive roof repairs, consult professional roofing solutions.
Store the tape in its original packaging in a cool, dry place, away from direct sunlight and extreme temperatures, to maintain the adhesive's effectiveness.
The aluminium surface is not designed for painting. However, some compatible coatings might be applicable; consult the manufacturer's recommendations for specific coatings.
Ensure the application surface is clean, dry, and free from dust, oil, or loose debris. Check that the release liner has been fully removed and that sufficient hand pressure has been applied. For porous or dusty surfaces, consider using a compatible primer (sold separately).
Press down firmly along all edges of the tape, paying particular attention to overlaps. Ensure any overlapping sections are at least 50mm and have been firmly pressed to create a seal.
Use a sharp utility knife or heavy-duty scissors. For best results, ensure the blade is sharp and clean.
In cold conditions, warm the tape slightly with a hairdryer (do not overheat) and the surface before application. Ensure maximum hand pressure is applied during installation. Store the tape in a warmer environment prior to use.
Setup: Ensure the surface is clean, dry, and free from dust, grease, and loose material. Cut the tape to the required length using a sharp knife or scissors. Peel back the protective release liner, exposing the adhesive. Apply the tape firmly by hand or with a roller, ensuring good contact and a watertight seal. Overlap seams by at least 50mm and press down firmly, especially at edges.
Compatibility: This tape is generally compatible with most common building materials including concrete, brickwork, slate, metal, wood, and some plastics. Avoid direct contact with solvents or bitumen-based paints that may affect the adhesive. It is not designed for use as a primary roofing membrane but as a sealing and flashing solution.
Care: Once applied, the tape requires minimal care. Inspect periodically for any signs of lifting or damage, particularly after severe weather. Keep the storage area cool and dry, away from direct sunlight.
