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One of the largest accredited chimney testing centers

Ventilation duct standards

Our full list of standards for testing ventilation duct

EN 1507

Ventilation for buildings: Sheet metal air ducts with rectangular section - Requirements for strength and leakage

EN 12237

Ventilation for buildings: Ductwork- Strenght and leakage of circular sheet metal duets kanaler af metalplade

ISO 6944-2

(Chimney / Ventilation Ducts)

Chimneys/Ventialation Ducts - Fire containment: Elements of building construction — Part 2: Kitchen extract ducts

  

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