Fire Duct System

The Fire Duct System range consists of three products to suit different applications, each faced with a reinforced aluminium foil.



  • Fire Duct Slab is designed for use with square and rectangular ductwork.
  • Fire Duct Section is a pre-formed cylindrical insulation designed for use with circular ductwork up to 356mm in diameter.
  • Fire Duct PSM is a slab product with machined-engineered grooves to the rear, which accommodate installation around larger circular ductwork above 356mm in diameter.

The Fire Duct system range is offered for use within third-party tested fire-rated ductwork systems. Please contact a third-party system holder for performance, certification and installation details.

Specification Details

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Rockwool Group is consulted before specifying.

Rockwool Group
Rhiwceiliog Pencoed
Bridgend
CF35 6NY


Fire Duct System

254102
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 17 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 254102

266785
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 76 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 266785

259314
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 102 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 259314

257770
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 108 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 257770

258004
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 114 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 258004

123045
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 127 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 123045

253292
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 140 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 253292

251597
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 159 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 251597

253294
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 169 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 253294

123049
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 194 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 123049

242421
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 205 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 242421

255279
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 219 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 255279

123051
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 253 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 123051

251626
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 305 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 251626

271363
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 318 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 271363

251871
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 356 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 251871

255113
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 406 mm
• Duct Section: 40 mm
• Application: HVAC
• Product ID Number: 255113

261509
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 76 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 261509

253665
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 102 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 253665

257281
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 108 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 257281

123068
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 114 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 123068

253663
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 127 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 253663

257284
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 140 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 257284

123071
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 159 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 123071

123072
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 169 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 123072

282953
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 194 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 282953

253585
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 205 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 253585

251817
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 219 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 251817

123077
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 253 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 123077

123079
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 305 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 123079

123080
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 318 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 123080

123082
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 356 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 123082

260102
• Fire Resistance: 120 Minutes
• Standards: ISO 14001, ISO 9001
• Diameter: 406 mm
• Duct Section: 90 mm
• Application: HVAC
• Product ID Number: 260102

File Downloads

Clear selection