Wörterbuch (en): Vapour barrier / Moisture barrier / Damp barrier
de:
Dampfsperre (f)
fr:
Pare-vapeur (m) / Barrière de vapeur (f)
it:
Barriera al vapore (f)
es:
Barrera de vapor (f)
A component with a defined water vapour diffusion resistance that impedes the diffusion of moisture from the warm indoor air into the thermal insulation of a building so that no harmful condensation forms inside the underlying components.