Fire Duct System
HVAC

Fire Duct Systems

Three solutions. Three valuable capabilities.

Fire protection of steel ductwork is important to stop the spread of fire through building services, which if breached can allow fire to spread rapidly throughout the building. Fire Duct Systems provide fire protection to circular and rectangular steel ductwork (in vertical and horizontal applications).

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There are three products within the ROCKWOOL Fire Duct System; Fire Duct Slab, Fire Duct Section and Fire Duct PSM, each specially designed for different applications. Fire Duct Slab is composed of high density insulation slab which is faced with reinforced aluminium foil. Fire Duct Section is made up of high density pre-formed pipe section faced with reinforced aluminium foil. Fire Duct PSM is formed of high density slab with factory machined grooves to allow for installation around larger circular ducts, again reinforced with aluminium foil.

Fire Duct Slab is best suited to applications to rectangular ducts. The alternative two ROCKWOOL solutions are designed for circular ductwork, Fire Duct Section for ducts of a diameter between 60mm and 356mm, and Fire Duct PSM for circular ducts with a dimeter greater than 406mm.

The ROCKWOOL Fire Duct Systems provide comprehensive performance for stability, integrity and insulation, for all ducts passing through fire-rated walls or floors. 

 

Accreditations:

LUL and LPCB approved

  • The time you need – ROCKWOOL Fire Duct Systems provide up to 2 hours of fire protection to maintain stability, integrity and insulation of steel ductwork.
  • A safe specification – fully tested to BS476-24 (duct types A and B) for preventing fire spread from one compartment to another.
  • Appropriate for applications to standard DW 144/42 ductwork.
  • Flexible installation -- suitable for use with a range of fixing options including; welded pins, alternative joint methods, mitre-joint fixing and mitre-joint methods.
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Product Properties

Reaction to fire A1 - A2 (depending on product) / Fire Resistance - Up to 2 hours

Fire Duct Slab - A1 / Fire Duct Section - A2 / PSM - A2 

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Fire Duct Slab - A1 / Fire Duct Section - A2 / PSM - A2 

Popular products and sizes

Please view our price list for the full product range we offer

Product

Thickness (mm)

Width (mm)

Length (mm)

Item number External item number Product Description Country Thickness (mm) Width (mm) Length (mm) Outer diameter (mm) Packs Per Pallet m² Per Pallet
123087 123087 Fire Duct Slab Foil Faced UK 40 1200 2000 30 72
252867 252867 Fire Duct Slab Foil Faced UK 50 1200 2000 24 57.6
123089 123089 Fire Duct Slab Foil Faced UK 70 1200 2000 18 43.2
123090 123090 Fire Duct Slab Foil Faced UK 90 1200 2000 12 28.8
123072 123072 Fire Duct Section UK 90 1000 169
123082 123082 Fire Duct Section UK 90 1000 356
123068 123068 Fire Duct Section UK 90 1000 114
251871 251871 Fire Duct Section UK 40 1000 356
254102 254102 Fire Duct Section UK 40 1000 17
257281 257281 Fire Duct Section UK 90 1000 108
258004 258004 Fire Duct Section UK 40 1000 114
123079 123079 Fire Duct Section UK 90 1000 305
123077 123077 Fire Duct Section UK 90 1000 253
253585 253585 Fire Duct Section UK 90 1000 205

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