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.
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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
DuoDuct Slab Datasheet
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.
SUIS ROCKWOOL UK
Safe use instruction sheet ROCKWOOL stone wool insulation products
Republic of Ireland Price List
Price List March 2025
UK Price List
Price List March 2025
Product properties
| Name | Value | Test standard | Symbol |
|---|---|---|---|
| Declared thermal conductivity | 0.036 | EN 826 | λD |
| Reaction to Fire | A1 | EN 13501-1 | |
| Long term water absorption | EN 12087 | WL(P) | |
| Short term water absorption | WS1 | EN 1609 | WS |
| Declaration of Performance (DoP) number | |||
| Product standard | EN 14303:2009+A1:2013 | ||
| CE certificate number | 0751-CPR.2-014.0-10 |
Product variants
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
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