KC Insulation washer

Insulation washer with integral cap suitable for attachment of insulation layers to wooden and sheet metal substrates.

Features and benefits

  • Recommended for the attachment of ETICS to wooden substrates using UC screws, or to sheet metal using WB screws.
  • Special design of integral fastener cap allows reduction of thermal bridges.
  • Consistent and reliable holding force
  • Quick, simple and clean installation.
  • Can be used in combination with additional KWL plate - 90, 110 or 140mm diameter.

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    Base material

    • Metal Sheet & Profiles

      Metal Sheet & Profiles

    • Wood



    • External Thermal Insulation Composite Systems (ETICS)
    • Polystyrene (EPS) boards
    • Mineral wool (MW) boards
    • Polyurethane (PU) boards

    Installation guide

    Installation guide
    Installation guide
    Installation guide
    1. Lightly insert KC washer into surface of insulation material.
    2. Drive the required screw through the washer and insulation material into the substrate, until fixing depth is reached.
    3. In wooden substrates the washer is recommended for use with the UC chipboard screw.
    4. In sheet metal the washer is recommended for use with either the WB or WX self-drilling screw.


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    Associated products

    • R-WBT Screw for concrete

      R-WBT Screw for concrete

    • R-WB Self-drilling screws for steel

      R-WB Self-drilling screws for steel

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