EN 12236

EN 12236 Ventilation for buildings - Ductwork hangers and supports - Requirements for strength - This standard specifies requirements for the construction and application of supports for sheet metal ductwork in ventilation and air conditioning systems. The standard applies to any shape of ductwork (rectangular, circular and oval), and components used in ventilation and air conditioning systems in buildings. The standard also takes into account insulation loads, safety factors, imposed loads (cleaning and maintenance), vibration isolation, and corrosion resistance. The standard does not consider loading due to earthquakes. The standard does not deal with fire requirements and fire protection of ducts and support systems.

Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.