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brugen af disse isoleringsmaterialer - f.eks. polystyren, mineraluld og porebeton - mindsker varmeenergibehovet i beboelsesejendomme væsentligt.
use of these insulating materials - such as polystyrene, mineral wool and cellular concrete - significantly reduces residential housing's thermal energy requirement.
kommissionens beslutning af 25. januar 1999 om proceduren for attestering af byggevarer i henhold til artikel 20, stk. 2, i rådets direktiv 89/106/eØf for så vidt angår færdigstøbte byggevarer af normal-, let- eller porebeton (meddelt under nummer k(1999) 118) (eØs-relevant tekst) (1999/94/ef)
commission decision of 25 january 1999 on the procedure for attesting the conformity of construction products pursuant to article 20(2) of council directive 89/106/eec as regards precast normal/lightweight/autoclaved aerated concrete products (notified under document number c(1999) 118) (text with eea relevance) (1999/94/ec)