EN 14989-1 : Chimneys - Requirements and test methods for metal chimneys and material independent air supply ducts for roomsealed heating applications - Part 1: Vertical air/flue terminals for C6-type appliances.
Norm EN-14989-1-EN
Norm EN-14989-1-EN
EN ISO 9972 : Thermal performance of buildings - Determination of air permeability of buildings - Fan pressurization method (ISO 9972:2015).
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