Duct Roll

For the thermal and acoustic insulation of ductwork in heating, ventilating and air-conditioning systems

Description

Duct Roll is a strong, flexible roll of non-combustible, glass mineral wool with a bright class ‘O’ aluminium foil facing on one side.

The facings provide a bright, washable surface and a high level of vapour resistance.

Application

Duct Roll is used for the thermal and acoustic insulation of ductwork in heating, ventilating and air-conditioning systems

Duct Roll is suitable for all shapes of ductwork including:

Round, oval and flat-oval ductwork
Square and rectangular ductwork

Standards

The mineral wool of Duct Roll is a non-combustible inorganic glass wool, defined as mineral wool in BS 3533: 1981 and is manufactured in accordance with BSI Quality Assurance Standard BS EN ISO 9001: 2000

Durability

Duct Roll is rot proof, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria. Duct Roll is odourless and non-hygroscopic.

Vapour resistance and condensation

Duct Roll is faced with a bright class ‘O’ aluminium foil facing, which acts as a vapour control layer.

Performance

Thermal Performance

Duct Roll has a thermal conductivity of 0.033 W/mK at 10°C.

Fire Performance

The base glass mineral wool of Duct Roll is classified as non-combustible to BS 476: Part 4: 1970 (1984) and class 1 surface spread of flame to BS 476: Part 7: 1997. The glass mineral wool and the foil facing comply with the class ‘O’ requirements of the Building Regulations when tested to BS 476: Part 6: 1989 and Part 7: 1997.

Benefits

Excellent thermal, acoustic and fire performance
Easy to handle and install

Downloads

Operating Temperatures

Duct Roll can be used up to continuous operating temperatures of 230°C and down to cryogenic temperatures provided that a 100% vapour barrier is maintained. The surface temperature of the facing should not exceed 80°C.

Thermal Conductivity

Mean Temperature °C	Thermal conductivity (W/mK)
10	0.033
25	0.035
50	0.039
75	0.046
100	0.052
125	0.059

Note: Tested in accordance with BS 874: 1973 (1980).

Fire performance

The base glass mineral wool of Duct Roll is non-combustible to BS 476: Part 4: 1970 (1984) and Class 1 surface spread of flame to BS 476: Part 7: 1997.

The glass mineral wool and the foil facing comply with the Class ‘O’ requirements of the Building Regulations when tested to BS 476: Part 6: 1989 and Part 7: 1997.

Environmental

ECOSE^® Technology

Knauf Insulation mineral wool products with ECOSE^® Technology benefit from a revolutionary, bio-based, formaldehyde-free binder technology, based on rapidly renewable materials, instead of petro-based chemicals. It reduces embodied energy and delivers superior environmental sustainability.

The technology has been developed for Knauf Insulation’s glass and rock mineral wool products, enhancing their environmental credentials without affecting the thermal, acoustic or fire performance. Insulation products made with ECOSE^® Technology contain no dye or artificial colours – the colour is completely natural.

Duct Roll is free from CFCs, HCFCs and any other material with ozone depletion potential in their manufacture and content and represent no known threat to the environment.

Duct Roll's manufacture has a low impact on the environment and is classified as Zero ODP and Zero GWP.

Handling and Storage

Duct Roll is easy to handle and install, being lightweight and easily cut to size.

Duct Roll is supplied in polythene packs which are designed for short term protection only. For longer term protection on site, the product should either be stored indoors, or under cover and off the ground. Installation instructions are on every pack.

Duct Roll should not be left permanently exposed to the elements.