英语词汇“roof insulation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	roof insulation
释义	roof insulation roof insulation 1. A board-type product, usually of low or medium density, made of mineral fibers, cellular glass, foamed plastic, lightweight concrete, wood fiberboard, or other materials, one or both sides of which may be faced with another material; provides thermal insulation in a roofing system. 2. Lightweight concrete which is used primarily for thermal insulation over a structural roof system.
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