122 Alfa Butyl Tape FLEX

Tailor-made "Sealing Sleeve" for airtightness

Highly flexible butyl tape with laminating film to obtain weatherproof and airtight connection points and penetrations.

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Item-No. Measures Packacking Unit Price Quantity
122 3050 (012) 50 mm x 30 m Carton (12 rolls) **

Product description

Tailor-made "Sealing Sleeve" for airtightness

Alfa Butyl Tape FLEX is a highly flexible butyl adhesive tape with laminating film to obtain weatherproof and airtight connection points and penetrations for an optimized thermal insulation.

Alfa Butyl Tape FLEX can be perfectly shaped in all directions and adjusted to match the substrate. Due to its 3D-Formability Alfa Butyl Tape FLEX is best suitable for the sealing of vapour barriers, vapour control layers, roofing underlays to metal, wood, plastic, stone, concrete etc.

One half of the centrical slitted siliconised liner can be removed and eases the application at roundings and corner areas.


  • meets the requirements of ZVDH and EnEV
  • high water resistance
  • always a tailor-made sealing sleeve
  • high flexability – 3 dimensional formability
  • very good temperature resistance
  • easy application due to slitted siliconised liner
  • high UV-resistance
  • for interior and exterior use
  • cold (solvent) welding

Proven Quality

Alfa 10 years System-Warranty Alfa Quality-Seal at fair prices


Download as PDF  Download Installation Manual (687 KByte)