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Vendor: Partel


Flexible butyl tape with high tack

Partel CONLEX™ BUTYL is a single-side butyl based sealant, with very strong adhesion, ideal for airtight and watertight connections.

If you need perfectly sealed construction, this is an extremely versatile and effective solution, equipped with unmatched flexibility even under extreme humidity conditions and varying temperatures.


  • Extremely flexible – can be moulded to irregular shapes and surfaces
  • Airtight connections to DIN 4108-11
  • High moisture repellent – Class W1 resistance to water penetration
  • Butyl rubber base tape with high tack
  • Strong adhesion and high shear strength
  • Resistant to frost
  • Maintains flexibility even under extreme humidity conditions and critical temperatures
  • Polymer-modified butyl with excellent ageing resistance
  • Strong adhesion and high shear strength
  • Lifetime design – extremely durable
  • Solvent free adhesive, with very low emissions
  • Outdoor exposure up to 3 months


CONLEX BUTYL is a versatile jointing and sealing tape designed to be used in applications where assembly connections need to be permanently sealed against air and water ingress – windows, pipes, wall junctions, door junctions and window junctions.

Suitable for:

  • Internal and external use
  • Creating permanent air and watertight seals at parapets and sills, and can also be used for joining various materials
  • Sealing of edges, corners and other geometric, irregular shapes that require greater flexibility of the adhesive tape
  • Use with all Partel interior and exterior membranes
  • Other construction membranes including PE, PA, PP and aluminium
  • Bonding to timber, OSB, plaster, masonry, concrete, PVC, metal
  • 50mm CONLEX BUTYL tape is ideal for hermetically sealing between counter battens and Partel’s exterior membranes for roof structures


  • 50mm x 5m (2’’ x 16’-5’)
  • 150mm x 20m (5 29/32” x 65 6/8”); Unit Pack Quantity : 1 roll
  • 200mm x 20m (7 7/8” X 65 6/8”); Unit Pack Quantity : 1 roll
  • 300mm x 20m (11 13/16” X 65 6/8”); Unit Pack Quantity : 1 roll