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Hertalan KS137 - Elastic and Waterproof Contact Adhesive


Hertalan KS137 is a versatile contact adhesive suited towards securely adhering to your Hertalan EPDM Membrane. It can be applied vertically and horizontally onto a variety of surfaces such as wood, bitumen, masonry material, lead, and suitable faced thermal installation boards. The bond created is both elastic and waterproof and can withstand temperatures from -40°C to 80°C. For a fully secure bond, it is highly recommended that Hertalan KS137 is applied to both sides of the membrane.

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products benefits:

Best contact adhesive for the Hertalan EPDM membrane range

Can be applied to a variety of surfaces

-40°C to 80°C Temperature Resistance

Creates a lasting bond that is elastic and waterproof

Tech info:

  • Type of product

    Adhesive based on a synthetic rubber and synthetic resins, dissolved in inflammable organic solvents

  • Colour


  • Viscosity (20 °C)

    3,500 ± 500 mPas

  • Flashpoint

    < 0 °C (closed cup)

  • Density (20 °C)

    860 ± 10 kg/m³

  • Dry solids

    45 ± 2%

  • Dry film

    Highly elastic

  • Shelf life

    12 months, provided that the adhesive is kept in the original unopened can.

  • Full Information:

    Check out the full
    datasheet available in
    the Downloads section!

More Info


HERTALAN® KS137 is a ready-for-use contact adhesive for overlapped adhering of HERTALAN® EPDM rubber roof membranes and rolls. The product can also be used for adhering surfaces when HERTALAN® EPDM rubber has to be adhered onto a flat, dry base (such as wood, concrete, metal or HERTALAN® EPDM rubber).


HERTALAN® KS137 creates a strong bond between two layers of HERTALAN® EPDM rolls or sheets or when adhering HERTALAN® EPDM membranes to a suitable base. The adhesive bond is elastic and waterproof. HERTALAN® KS137 should be applied to both sides. When it has completely dried the adhesive bond is resistant to temperatures from -40°C up to 80°C.