断だん熱ねつ材ざいMeaningsNoun1. heat insulating materialKanji used断be cut off熱heat材raw materialsPitch accentだんねつざいだんねつざいComposed of断だん熱ねつinsulationNoun材ざいwood; lumber; timber; (raw) material; stuff; talent; ability; capable personNounExamples1博文ひろぶみは天てん井じょうにグラスファイバーの断だん熱ねつ材ざいを入いれた。Hirofumi installed fibreglass insulation in the ceiling.