Stego Crete Claw Tape for Vapor Barrier
  • Stego Crete Claw Tape for Vapor Barrier
  • Stego Crete Claw Tape for Sealing the Perimeter of the Vapor Barrier

Stego® Crete Claw® TAPE 3"

Mechanically Seal Membrane To Cast Concrete Slab

Stego Crete Claw Tape is a multi-layered tape that is used to seal Stego Wrap to the perimeter of the slab while the concrete is placed. Stego Crete Claw Tape allows wet concrete to cast into the textured top surface to form a mechanical bond/seal.

Its many features include:

  • Dimensions: 3" x 180'
  • Comprised of a polyethylene film, aperture film, and an acrylic, pressure-sensitive adhesive
  • Satisfies one of ASTM E1643’s termination options: sealing the vapor barrier to the concrete slab itself
  • Made in the USA with US and global materials



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Stego Crete Claw Tape is an innovative and economical accessory that seals Stego Wraps to concrete while the concrete is placed and hardens. Applications of Stego Crete Claw 3” Tape include: sealing of perimeter and terminating edges of Stego Wrap. This multi-layered tape mechanically seals Stego Wrap to concrete cast against it to help you meet the requirements of ASTM E1643.

APPLICABLE STANDARDS American Society for Testing & Materials (ASTM):  

    • ASTM E1643: Standard Practice for Installation of Water Vapor Retarders used in Contact with Earth or Granular Fill under Concrete Slabs
    • ASTM F1249: Test Method for Water Vapor Transmission Rate through Plastic Film and Sheeting using a Modulated Infrared Sensor
    • ASTM D903: Standard Test Method for Peel or Stripping Strength of Adhesive Bonds

Physical Properties:

    • Total Thickness: 26 mil
    • Permeance: 0.03 perms
    • 180 Adhesion Peel Strength - ASTM D903: 17.6 lbf/in
    • Shear Adhesion Strength: 49 lbf/in2*

      *Specimens failed by stretching vapor barrier to failure before pulling Stego Crete Claw Tape from concrete. Note: perm unit = grains/(ft2*hr*in-Hg)

Additional Benefits:

    • Great product to easily achieve ASTM E1643’s perimeter requirement of sealing the vapor barrier at the edge
    • Place Stego Crete Claw Tape anywhere on the vapor barrier that you want, to form a bond between the vapor barrier and fresh concrete
    • Quick and easy to install
    • Available nationwide
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Stego has the accessories you need to complete an ASTM E1643-compliant installation. Stego Tape, Stego Mastic, Stego Crete Claw Tape and StegoTack Tape enable efficient vapor barrier installations, saving time and resources.


Stego Tape

A low permeance tape designed for use...

Stego Mastic

Stego Mastic

A liquid applied vapor retardant membrane...


Stego Crete Claw Tape

A multi-layered tape...



A double-sided adhesive strip used to bond...

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