cover board

noun

An insulation board used over closed cell plastic insulation (e.g., polyisocyanurate) to prevent blistering when used in conjunction with hot bituminous membranes.

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Meanings

nouncover board (plural cover boards)

plural cover boards

  1. businessAn insulation board used over closed cell plastic insulation (e.g., polyisocyanurate) to prevent blistering when used in conjunction with hot bituminous membranes.
Cite this entry
APA

cover board. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cover%20board

MLA

“cover board.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cover%20board. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “cover board,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cover%20board.

Source: cover board on Wiktionary, CC BY-SA 4.0.