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DuoDuct External DuctSlab

ROCKWOOL® DuoDuct is a non-combustible stone wool slab that provides thermal insulation to external ducts carrying warm air, chilled air, or dual-purpose duct systems.

Application(s)

  • HVAC
  • Ventilation Ducts

Product description

DuoDuct is a non-combustible, dual-density stone wool slab with an aluminium foil facing bonded to the outer surface.

The product is recommended for ductwork with service temperatures up to 230°C. It can also be used in plant rooms, low-level plant work applications, and areas with an increased risk of impact damage.

  • Euroclass A1 in accordance with BS EN 13501-1 Reaction to Fire rating
  • CE marked in accordance with EN 14303:2009+A1:2013

Areas of application

DuoDuct is suitable for use on the following construction types:

  • Ventilation Ducts

Documentation

Please select and download the documentation pertaining to this product. If you require any certification that is not listed here, please contact us via ukdocumentation@rockwool.com

SUIS ROCKWOOL UK

SUIS ROCKWOOL UK

Safe use instruction sheet ROCKWOOL stone wool insulation products

Product properties

NameValueUnit
Declared thermal conductivity0.036W/mK
Reaction to FireA1Euroclass
Short term water absorptionWS1kg/m²
Product standardEN 14303:2009+A1:2013
CE certificate number0751-CPR.2-014.0-10

Product variants

Minerva Primary Academy

Minerva Primary School achieves regulation compliance with ROCKWOOL®

Discover how Minerva Primary Academy's £7.5m two-storey extension, led by Elliott and Charleson Building Services, utilised ROCKWOOL's DuoDuct and Ductwrap for thermal, noise reduction, and non-combustible insulation in compliance with BB101 and BB93

Training Academy

Hands-on fire-stopping training

ROCKWOOL’s specially created expert led one-day course in fire stopping theory and practical installation practice for industry professionals.

Fire-stopping training course

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