Everbuild FLAS150 Black Jack Self Adhesive Flashing Tape 150mm x 10m (4 Pack) The Everbuild FLAS150 Black Jack Self Adhesive Flashing Tape is a self-adhesive, lead-look flashing tape designed for a range of sealing and repair applications. It is ideal for repairing existing flashing, sealing cracks in concrete, fixing lead gutters, and replacing lost lead flashing. Additionally, it can be used for sealing roof ridges, parapet walls, skylights, and projections through roofs. With its self-adhesive backing, it requires no additional glue, making it quick and easy to apply. Each roll measures 150mm (5.91 inches) in width and 10m (32.8ft) in length, and this pack includes four rolls, providing a durable and cost-effective solution for both .