120 minutes fire rated Cladded Duct System - PROMATECT®-L500

  • Assembling a single layer of PROMATECT®-L500 board, 20mm thick, cladded to steel duct and secured with screw-fixing the galvanised steel angle at all four corners of the board to form an encasement and to the channel collar frame at the board joints. Infill the encasement with mineral wool insulation. Cover strips over the butt-joints.

Further Information

Advantages:

  • Good thermal properties
  • Excellent mechanical and thermal characteristics
  • Fire resistance performance
  • Tested and assessed in accordance with the BS 476: Part 24: 1987

Application:

  • Commercial, industrial, institutional, residential and high rise constructions, or in the restoration of existing buildings

Fire Resistance:

120 min

Product:

PROMATECT®-L500 1 x 20mm

Exposure to fire:

Internal and external

Fire Resistance Level:

REI 120/120/120
Fire Resistance: 120 min
Exposure to fire: Internal and external
Installation Method: Steel duct

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