One of the largest accredited chimney testing centers

Ventilation duct testing

Accredited initial type testing of rectangular ventilation ducts according to EN 1507 and round ducts according to EN 12237


Typical test sequence for ventilation duct:

  • Gas tightness at negative and positive pressure
  • Deflection of duct
  • Deflection of joint
  • Bulging and/or caving
  • Dimensions and tolerances



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