Ventilation for buildings. Ductwork. Measurement of ductwork surface area Ingestion-build-181247 BS EN 61400-25-1 is part

BS EN 61400-25-1 is part of the BS EN 61400-25 series of standards series for vendors (manufacturers

1 Microstructural assessment of macrosections

ISO/IEC TS 17021-11 specifies additional competence requirements for personnel involved in the audit and certification process of facility management (FM) management system and complements the requirements

and dispersion of carbon black and pigment and antioxidants

Ventilation for buildings. Ductwork. Measurement of ductwork surface area Ingestion-build-181247 BS EN 61400-25-1 is partWhat is BS EN 14239 Measurement of ductwork surface area for building ventilation about? Ductwork channels are essential to the ventilation of buildings as they contribute to better indoor air quality irrespective of external weather conditions throughout the year. BS EN 14239 provides a method of measurement to establish the surface area for use in further calculations for ductwork in ventilation and air conditioning systems. The main objective of BS