For fixing the Benx TS Rail system on NHBC projects using a light weight steel frame wall. Carbon steel self-tapping screws for fixing into sheathing boards.

  • 75 – 295 mm

  • 200 for lengths up to 155 mm
    100 for lengths over 155 mm

Mechanical Fixing of Insulation to Various Substrates

Mechanical fixings or anchors play an important function in the way in which External Wall Insulation Systems perform under building and dynamic loadings. The role of the fixing is far greater than simply holding the insulation in place until the render is applied, it has to accommodate movement within the structure, positive and negative wind pressure and supporting the self-weight of the system to name a few key functions.

There are a number of different fixings that can be used and it is important to select the fixing for the application and in some instances this requires on site pull out tests to be completed to determine the performance of the fixing with the substrate.

Based on site conditions and location along with site based test results, a specific fixing pattern may be required. Please contact the Benx technical team for advice.

All masonry based EWI fixings are tested and Certified in accordance with ETAG 014 ‘Plastic Anchors for ETICS’. Within this standard there are 5 categories for which the fixings can be Certified as being acceptable to be used in and these can be seen in the table below. If a substrate is not categorised then on site testing must be done.

Technical Information

  • Anchor Body Material


  • Pin Material

    Galvanised Steel

  • Hammer or Screw Set


  • Minimum Embedment Depth

    25 mm

  • Drill Hole Diameter

    8 mm

  • Point Thermal Transmittance

    0.002 W/K

  • ETA Certificate Number


  • ETA Classification

    A – B – C – D

  • Typical Pull Out Into Solid Brick

    0.90 kN

  • Lengths

    75 – 295 mm

  • Quantity Per Box

    • Quantity 200

      For lengths up to 155 mm

    • Quantity 100

      For lengths over 155 mm

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