3M™ Fire Barrier Duct Wrap 615+

3M™ Fire Barrier Duct Wrap 615+ is the only fire rated duct wrap product you’ll need to help protect grease and air ducts. It is flexible and lightweight for easy installation, and passes the necessary fire tests to achieve up to three-hour fire resistance requirements with a single layer of wrap. 3M™ Fire Barrier Duct Wrap 615+ is manufactured with a man-made vitreous spun fiber, which allows for low thermal transfer properties in a lightweight, low profile, easy-to-apply product. 3M Technical Advice Service and installation video is available on www.3m.co.nz/fireratedduct



  • Lightweight (4.4 Kg/m2)
  • Low-profile (38mm thick)
  • Fire resistant for 3-hours (meeting fire protection code requirements)
  • Heat-resistant (up to 1200°C)
  • Flexible for wrapping around corners and obstacles
  • Product is tested in accordance with AS1530.4 
  • Product is assessed in accordance with AS4072.1
  • Single Layer R-value of 1.1 (at 23°C)
  • ISO 6944 (air duct test standard) tested to 1- and 2-hour design listings in single layer systems


  • Kitchen Exhaust Ducts
  • Air Ventilation Ducts
  • Stair Pressurization Ducts
  • Elevator Hoistway Smoke Venting
  • Ducts crossing exit corridors



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Systems using this product

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  3M Fire Barrier Duct Wrap 615+ Installation Guide
  Duct Wrap 615+ Safety Data Sheet
  3M Fire Barrier Duct-Wrap 615+ Design Spec Sheet Hatch
  3M Duct Wrap 615+ Certificate of Compliance
  3M Fire Barrier Duct Wrap 615+ Regulatory Data Sheet
  3M Duct Wrap 615 BRANZ FAR 4812 AS1530.4 Fire Certificate
  3M Duct Wrap 615+ BRANZ FAR 4812 AS1530.4
  3M Duct Wrap 615+ CSIRO FCO-3273 AS1530.4

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