from $104.90 /roll
from $104.90 /roll
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EXTOSEAL FINOC 5 7/8" $104.90 $97.56

Product Specifications

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6" wide watertight barrier tape to air seal under sills in timber structures and form capillary break. Also for joining OSB/plywood walls to concrete floors. It can be used on the interior or exterior of the building.


6″ (15 cm) x 65' 7" (20 m)


  • Protects structural elements from water ingress: watertight and blocks rising moisture
  • Creates a secure bond: butyl rubber penetrates deep into the substrate
  • Very elastic carrier foil with particularly low restoring forces: it can be flexibly adapted to surfaces and corners
  • Bonds to mineral substrates without primer


  • Bonds to Pro Clima materials, solid wood surfaces, polyethylene, metal, foil, housewraps, sheathing, and more
  • Bonds to brick, concrete and wood fiber boards, etc. without the need for primers
  • Adhesion to frozen surfaces is not possible. There must be no water-repellent substances (e.g. grease or silicone) on materials to be bonded


  • Release paper: Split release paper allow for step by step application to frame, sill and vertical sheathing
  • Adhesive: Acrylic modified butyl adhesive
  • Designed to withstand 6,480 psi
  • Extremely high adhesion even to slightly damp and cold surfaces.