TENMAT’s Vent Duct OverSleeve offers 120 Minutes Fire Rating to Semi Rigid Ducting. The low profile (4 mm thick) OverSleeve is supplied flat and simply wrapped around the ducting and resealed with the reinforced foil backing layer. Its design allows the product to be retrofitted.

TENMAT’s Vent Duct OverSleeve has been independently tested in accordance with EN1366-3 and achieves a fire resistance classification of EI120 (according to EN13501). This means that the product is able to prevent the spread of fire for 120 minutes. It was tested in partition walls without additional metal sleeving.

Vent Duct Oversleeve for Semi Rigid Ducting
Additional Info

  • EI120 Fire Rated
  • Can be retrofitted
  • Low Profile
  • Highly flexible for easy installation
  • Only one layer required

Fire Testing Approvals

  • Chiltern labs fire test
  • RF13219
  • Plasterboard construction
  • Fire Rating – 15-120
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