Everbuild Black Jack Flashing Tape 100mm is a self-adhesive flashing tape designed for instant, durable waterproofing and weatherproofing of roofs, chimneys, and other exterior structures. It features a strong bitumen adhesive layer bonded to a tough aluminium foil facing, ensuring long-lasting protection against water ingress. Ideal for both emergency repairs and permanent solutions, this flashing tape is flexible, easy to apply by hand, and suitable for a wide range of surfaces including brick, concrete, timber, and metal. The Everbuild Black Jack Flashing Tape provides reliable sealing performance in all weather conditions.