The IS4226si threshold plate and seal is suitable for outward opening doors to help prevent weather, smoke, light & noise penetration. The plate has an extended landing area, ideal for high-end acoustic applications (when used with other sealing combinations). It may be used with panic type exit devices (supplied by others).

Standard lengths

  • 1000mm
  • 2250mm
  • Also available in: 250mm increments from 1000mm to 5000mm

Standard colours

  • Silver anodised aluminium with grey silicone rubber gasket
    (Black silicone gasket also available upon request)


  • Stainless Steel fixing screws and plugs are supplied


  • Acoustically tested in accordance with AS1191, ISO140.3 and ISO10140-2
Integrity Architectural Seals are proudly Australian Made
Kilargo is4226si Architectural Seal
IS4226si Threshold Plate and Seal
IS4226si Threshold Plate and Seal
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