composite board insulation
plural of overrunner
A dialect of Dutch Low Saxon.
plural of seatworm
(construction) A rigid board insulation generally composed of perlite or wood fiberboard factory bonded to polyisocyanurate or polystyrene.
新しい屋根の仕様では、熱性能と耐火基準の両方を満たすために、パーライトや木質繊維板を工場でポリイソシアヌレートやポリスチレンに貼り合わせた硬質ボード断熱材が求められています。
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