Product Data Sheet Show all documents

Sika® Black Jack® Flashing Tape

Self adhesive flashing tape with a natural lead-look finish

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.

  • Replaces need for lead flashing.
  • Self-adhesive - requires no separate glue.
  • Tape Strength 3.5 N/mm².
  • Flexibility at -15 °C, no cracking.
  • Application temperature range +5 °C to +40 °C.
  • Weight 1.4 kg/m².
  • Bond strength to primed concrete 3.5 N/mm².
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Product Data Sheet Show all documents

Usage

  • 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.  

Advantages

  • Replaces need for lead flashing.
  • Self-adhesive - requires no separate glue.
  • Tape Strength 3.5 N/mm².
  • Flexibility at -15 °C, no cracking.
  • Application temperature range +5 °C to +40 °C.
  • Weight 1.4 kg/m².
  • Bond strength to primed concrete 3.5 N/mm².

Packaging

3 m DIY rolls in 100 mm, 150 mm and 225 mm.

10 m trade rolls in 75 mm, 100 mm, 150 mm, 225 mm, 300 mm, 450 mm.

Colour

Lead-look.

Product Details

Product Information

Shelf Life

24 months from date of manufacture in tightly sealed, undamaged containers.

Storage Conditions

Store in original container in cool (+5 °C to +25 °C) dry conditions.

Thickness

Foil thickness - 50 µm.

Adhesive thickness - 1.3 mm.

 
Technical Information

Service Temperature

-10 °C to +80 °C.

Elongation at break

15 %.

Application

Application steps

SUBSTRATE PREPARATION

All surfaces must be dry, sound and free from oil, grease and dust. Remove all loose material by scraper or wire brush. Porous surfaces, such as concrete or brick, should be primed using Black Jack® Bitumen and Flashing Primer and allowed to dry.

 

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