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ALENOR EXTERNAL WINDOW TAPE (MFPA)

ALENOR EXTERNAL WINDOW TAPE (MFPA)

ALENOR EXTERNAL – watertight, vapour-permeable external window tape based on non-woven membrane with two acrylic adhesive strips (connection to translucent structures) and one butyl adhesive strip (connection to wall opening).The tape was successfully tested at MFPA Leipzig GmbH. Test Report  PB 4.1/18-315-2 (March, 4th, 2019).

Product composition: non-woven membrane-type fabric, permanent adhesive strips with an anti-adhesive layer, adhesive strip based on a butyl rubber composition of permanent adhesiveness with an anti-adhesive layer.

Scope of application:
Ready for use and does not require special tools during installation. The tape is intended to protect construction joints from weathering and providing mastering protection for construction foam by extracting the moisture out.

Advantages:

  • • High stickiness to any surface
  • • High resistance to aging
  • • Long expiration period
  • • Environmentally friendly, does not contain harmful substances
Name                       Value
Adhesive layer  acrylic / butyl
Water vapour diffusion
equivalent air layer thickness 50±3% r.h. at 23±0.5°С, Sd (m)		 0,81
Water vapour diffusion
equivalent air layer thickness 50±3% r.h. at 23±0.5 °С after ageing, Sd (m)		 0,92
Water tightness at 600 Pa, 24°C/55% r.h. water tight
UV resistance (direct sunlight), months 6
Operating temperature, ºС – 40 … + 90
Recommended installation temperature, ºС + 5 … + 40
Lifetime (not less then), years  10

 

Window tapes ALENOR INTERNAL and ALENOR EXTERNAL test results.

Length, m

Tolerance
±1,5%

 Width, mm

Tolerance
±1 mm

 Adhesive strip Butyl rubber strip
12,5; 25 75; 100; 150 2 pieces:
width – 18±1 mm
width – 18±1 mm		 1 piece:
width – 15±1 mm
thickness – 1,5±0,2 mm

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