BS EN 13403:2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviations
  3.1 Terms and definitions
  3.2 Symbols and abbreviations
4 Requirements
  4.1 Erosion and emission of particles
  4.2 Resistance against pressure (without reinforcements)
  4.3 Air leakage factor and air tightness class
  4.4 Bulging and/or caving, air leakage
  4.5 Supports and hangers
  4.6 Facilities for cleaning
  4.7 Requirements for ductboards
5 Application restrictions
6 Test conditions
7 Test methods
  7.1 Board stiffness
  7.2 Determination of particle emission
  7.3 Pressure test
  7.4 Microbial growth
8 Marking, labelling and packaging
Bibliography

Provides the basic requirements and characteristics for ductwork made of insulation ductboards, and used in ventilation and air conditioning systems of buildings, subject to human occupancy.

This European Standard specifies the basic requirements and characteristics for ductwork made of insulation ductboards and used in ventilation and air conditioning systems of buildings subject to human occupancy. This standard does not specify the fire reaction classification for different types of ductboards.