NBN 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.