Everbuild Black Jack® Flashing Tape Trade is a strong, self-adhesive flashing tape that comprises of an aluminium foil and a bitumen rubber adhesive. The adhesive forms a strong waterproof seal simply by pressing the tape into place by hand. Available in various sizes.Select Option 100mm x 10m150mm x 10m225mm x 10m300mm x 10m450mm x 10m75mm x 10m Add to Basket Quantity