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Butyl Tape Fleece

ME404 is a solvent free, self-adhesive, plastic-elastic, butyl rubber sealing tape with high adhesive strength, laminated on one side with a plastic non-woven fleece. Butyl Tape Fleece is stable in form in the longitudinal direction, while in the transverse direction it has a permanent movement capacity of up to 10%.


Surface Preparation

  •  Surfaces must be dry and free from oil, grease and dust likely to impair adhesion.
  •  On very porous surfaces or where the application temperature is below 5°C, the use of ME901 Butyl & Bitumen Primer or ME902 Butyl & Bitumen Spray Primer is recommended. 

Usage Guidelines

ME404 is used for sealing joints, seams, and cracks in internal window perimeter connections:

  • With metal and sheet metal structures (e.g. sealing segment elements on metal structures)
  • In covered roof areas (not UV resistant). 




Technical data

PropertyTest MethodResult
Building Material Class4102B2 (normal flammability)
Application Temperature +5°C to +30°C
Temperature Resistance -40°C to +130°C for short periods to +180°C
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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