Sika Black Jack Flashing Tape is a strong self-adhesive flashing tape comprising 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. Self adhesive flashing tape with a natural lead-look finish General repair to existing flashing.Flashing bituminous felt and similar roofs.Flashing parapet walls.Replacement of lost lead flashing.Repairs to cracks in concrete.Repairs to lead gutters.Sealing capping bolts in roof sheets.Sealing roof ridges.Protective coating to insulation materials.Sealing projections through roofs and similar sections.Flashing between timber and brickwork blockwork or blockwork cavities.Flashing of skylights. Replaces need for lead flashing.Self-adhesive - requires no separate glue.Tape Strength 3.5 N/mm.Flexibility at -15 C no cracking.Application temperature range +5 C to +40 C.Weight 1.4 kg/m.Bond strength to primed concrete 3.5 N/mm. PTDSIKDIR852566
