CEN is the European Association of national standardisation institutes, the so called National Standards Bodies (NSB’s). These NSB’s are responsible for the contact with the interested market ...
Answered by Peter G. Schild, SINTEF Building & Infrastructure
Answered on 16 Dezember 2009
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Sweden does not use its building regulations to impose its strict requirements on ductwork airtightness. Rather it is a voluntary trade standard (the AMA VVS specifications) that has driven the ...
