Armaflex Duct Insulation Sheet Aluminium Foil Backed 19mm x 0.5m x 2m
[L202]

Class O Armaflex Duct is Class O Armaflex sheet with a bright aluminium foil covering pre-applied.

Class O Armaflex Duct
The clean, dust and fibre free, duct insulation with a professional finish

Class O Armaflex Duct is Class O Armaflex sheet with a bright aluminium foil covering pre-applied.
Being highly flexible, Class O Armaflex Duct sheet can be installed on both rectangular and circular ductwork matching contours exactly.
As a dust and fibre free, formaldehyde free product with an ODP of 0, Class O Armaflex Duct is suitable for use on ductwork in offices, schools and hospitals.

The benefits of specifyingClass O Armaflex Duct

Compliant with Building Regulations Part L* energy saving legislation
Suitable for rectangular and circular ductwork
No piercing of ductwork required
High flexibility for ease of fitting

Matching bracket covers and tape eliminate thermal bridges and give a professional finish
* Applies to warm ductwork only at foil covered 32mm thickness

Application Areas 

Rectangular ductwork
Circular ductwork

Properties Values Remarks
Material Aluminium foil covered sheets made of foamed nitrile rubber
Max. Surface Temperature +60 C For temperatures above +60 C, please consult our Technical Department.
Min. Surface Temperature -50 C
Thermal Conductivity at 0 C 0.034 W/(m · K) Test acc. to EN ISO 8497
Thermal Conductivity at +20 C 0.036 W/(m · K)
Thermal Conductivity at +40 C 0.038 W/(m · K)
Water Vapour Permeability Moisture Resistance Factor µ: 7,000
BS EN ISO 9346:1996 2.79 · 10(-14) kg/(m s Pa)
Water Absorption 0.2% by volume  Test acc. ASTM C 209
Surface Spread of Flames Class 1 acc. to BS 476 Part 7: 1997
Fire Propagation  Total Index Performance (I) £ 12
Sub Index (i1) ≤ 6 acc. to BS 476 Part 6: 1989
Fire Performance
acc. to Building Regulation Class O Test results for Surface Spread of Flames and Fire Propagation meets Class O fire category for
Building Regulations 2000 (England and Wales)
Building Standards (Scotland) Regulations 1990
Building Regulations 2000 (Northern Ireland)
Building Regulations 1997 (Republic of Ireland)
Reaction to fire Self-extinguishing, does not drip
Noise Reduction Sound Absorption Coefficient ISO 354:2003 up to 0.8 Also suitable for use in the prevention of sound passage
Resistance to Building Materials: Very Good
Chemicals: Consult Product Test List
Ozone: Very Good
Environmental Aspects ODP zero
GWP zero
Health Aspects Dust & Fibre Free
Microban anti-microbial protection
Outdoor Applications For outdoor application please consult our Technical Service Department or use Arma-Chek D or Arma-Chek R.