BI 2500 Waterproof Strip
Bitumen-based protective strip with a reinforcing layer of aluminium. To seal joints and other features on different types of roof.
  • Self-adhesive
  • 100% waterproof
  • Resistant to ultraviolet rays

Edges and joints between elements on roofs . Corners of façades and walls . Joints at beams, chimneys, cornices, gutters . Repair of gutters and pipes . Repairs to damaged asphalt or bituminous felts.
How to apply
  • The substrate must be dry and grease-free.
  • If the surface is very porous or rough, apply Rubson Liquid Rubber and leave to dry.
  • In the event of temperatures below 5ºC, warm the strip slightly with a dryer.
  • Cut the strip to the desired length, remove the paper, locate it and press down hard.
  • Adheres immediately.
  • Asphalt
  • Concrete
  • Cement
  • Fibre
  • Stone
  • Cement
  • Glass
  • Tiles
  • Metals
  • Wood
  • Asphalt or bituminous felts
  • Permanently flexible and elastic.
  • Resistant to distortion of the substrate.
  • Does not come unstuck.
Product features
  • Appearance: Solid sheet
  • Dimensions: 5m long x 10cm wide x 1.5mm thick
  • Inflammability: B 2 (DIN 4102)
  • Inflammation point: > 230ºC
  • Application temperature: > 5ºC
  • Thermal resistance: From –40ºC to 80ºC
  • Pull strength: 65N (long.); 77N (transv.)
  • Puncture strength: 71N
  • Stretching: 11%
BI 2500 Waterproof Strip
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Application Methods:
Self-adhesive strip.
Drying Time:
Interior / Exterior:
Interior and Exterior
Aluminium. Can be painted.
Available in 5m x 10cm rolls.