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Compriband Ali-Tape PB

ME402 is a high performance sealant tape Intended for the internal & external sealing & repair of joints & overlaps in a wide variety of applications which includes, shop fitting, facades, conservatories & air conditioning.


ME402 Compriband Ali-Tape PB is intended for the internal and external sealing and repair of joints and overlaps in a wide variety of applications which includes, amongst others: shop fitting, facades, conservatories, air conditioning, and ventilation.

  • Tear resistant
  • Weather and UV resistant
  • Highly impermeable to water vapour and other gases
  • Adheres without primer to many different substrates
  • Simple, effective & easy to apply

Usage Guidelines

  • Surfaces must be clean and free from dirt, loose material, grease and oils.
  • It is recommended that rough or porous surfaces and overlaps are first treated with ME901 Butyl Primer or ME902 Butyl Spray Primer which will assist initial adhesion.


ME402 Compriband Ali-Tape PB is a high performance sealant

tape which consists of a quality plasto-elastic butyl rubber

adhesive / sealant applied to one side of an aluminised

polyester film.


ME402 Compriband Ali Tape PB is available with a thickness of 1.2 mm in 25 m length rolls in the following widths: 50, 75, 100 and 150 mm. 

Technical data

PropertyTest MethodResult
Thickness 1.2 mm
Density 1.5 g/cm³
Volatiles  0
Continuous Operating Temperature -40°C to +80°C 
Installation Temperature +5°C to +40°C
Flammability RatingDIN 4102 BB2
Water Vapour Diusion DIN 53122 µ = 645,000 
Storage  Store in shaded dry conditions between +10°C and 25°C
Shelf Life 12 months when stored as recommended in original unopened containers
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