translate English to German: Therefore, in certain cases, it is necessary to correct vapour flow by using the specific vapour control barriers (VAP) which are positioned between the wood joists and insulating material and then combined with a top waterproof and breathable (TS ) layer.
192/05 untersagt wird. Daher ist es in verschiedenen Fällen unerlässlich, die Dampfumwälzung gerade mittels dieser geeigneten Dampfbremsen (VAP) einzustellen.