DuctSlab
ROCKWOOL® DuctSlab is non-combustible thermal insulation for square and rectangular ductwork.
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Application(s)
- HVAC
- Ventilation Ducts
Product description
DuctSlab is a semi-rigid stone wool insulation slab faced with reinforced aluminium foil. The product is suitable for service temperatures of up to 230˚C.
When specified in accordance with BS 5422, DuctSlab can meet regulatory thermal requirements and prevent the formation of condensation on chilled ductwork.
- 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
DuctSlab is suitable for use on the following construction types:
- Square and rectangular ventilation ducts
Documentation

Ductwrap and Ductslab Datasheet
ROCKWOOL® DuctWrap is non-combustible thermal insulation for circular ductwork and water storage tanks. Whereas, ROCKWOOL® DuctSlab is non-combustible thermal insulation for square and rectangular ductwork.

Ductwrap and Ductslab Installation Guide
Installation guidelines for DuctWrap and DuctSlab ROCKWOOL Products

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 | 0.035 | 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
ROCKWOOL® helps Morriston hospital meet BREEAM Excellent rating
With sustainability at the heart of the building's design and specification, ROCKWOOL insulation has played a significant role in the project which has achieved its target of a BREEAM Excellent rating.
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