Meaning of composite board insulation | Babel Free
Definitions
A rigid board insulation generally composed of perlite or wood fiberboard factory bonded to polyisocyanurate or polystyrene.
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
See also
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