グラスウール

ぐらすうーる
noun
glass wool; fiberglass insulation
technicalbuilding
1. glass wool; fiberglass insulation
A common insulation material made from fine glass fibers, used in walls, ceilings, and roofs for thermal and sound insulation.
壁(かべ)にグラスウールを入(い)れる。
Put glass wool in the walls.
グラスウールは断熱材(だんねつざい)としてよく使(つか)われる。
Glass wool is often used as an insulation material.
天井裏(てんじょううら)にグラスウールを敷(し)き詰(つ)めると防音(ぼうおん)効果(こうか)も高(たか)まる。
Packing glass wool into the ceiling cavity also improves soundproofing.

A loanword from English "glass wool." One of the most common home insulation materials in Japan, valued for being inexpensive and fire-resistant.

Common collocations

Similar words

Related Words

Compare: ウレタンフォーム (urethane foam)
Compare: セルロースファイバー (cellulose fiber)
general
Added 2026.7.9 12:19 · Revised 2026.9.2 13:02
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