What is BS EN 13403 – Ductwork made from insulation ductboards about? 
BS EN 13403 is a European Standard that discusses ventilation for buildings using non-mettalic ductworks. The main objective of BS EN 13403 is to provide best industry requirements for ductwork made from insulation ductboards to ensure they are fit for purpose.
BS EN 13403 contains 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.
Who is BS EN 13403 - Ductwork made from insulation ductboards for?  
BS EN 13403 on ductwork made from insulation ductboards form is relevant to: 
- Manufacturers of ventilation terminals and units
- Ductwork component manufacturers 
- Insulated ductboard manufacturers
- Product designers
- Quality control and testing personnel 
- Building owners/management
Why should you use BS EN 13403 - Ductwork made from insulation ductboards? 
Ductboards are a rigid board composed of insulation material body with both sides faced: the outer facing comprising a duct vapour barrier, which makes the duct tight. With forced-air systems, the ducts that carry the heated or cooled air throughout the home are often located in attics or other unconditioned spaces where temperatures are quite different from that of the air in the ducts. These temperature differences can affect the temperature of the air passing through the ducts and increase heating and air conditioning costs. Insulating ducts in unconditioned areas of the home can help reduce space heating and cooling energy costs and improve indoor comfort.
BS EN 13403 provides requirements to prevent erosion and emission of particles, improve resistance against pressure, along with air leakage factor and air tightness class. The requirements also address bulging and/or caving, air leakage, supports and hangers, and facilities for cleaning that help maintain the efficiency of the ventilation system.
BS EN 13403 also provides test methods to ensure that these ductworks made of insulation ductboads are safe and reliable for use. These test methods include:
- Board stiffness test
- Determination of particle emission
- Pressure test and
- Microbial growth test
Thus, if you are a manufacturer of ductworks made of insulation ductboards for building ventilation, compliance with BS EN 13403 guidelines can ensure that your products are reliable and effective at the point of use.
