mop-and-flop

noun

an application procedure in which roofing elements (insulation boards, felt plies, cap sheets, etc.) are initially placed upside down adjacent to their ultimate location; coated with adhesive or bitumen; and turned over and adhered to the substrate.

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Meanings

nounmop-and-flop (uncountable)
  1. uncountablebusinessan application procedure in which roofing elements (insulation boards, felt plies, cap sheets, etc.) are initially placed upside down adjacent to their ultimate location; coated with adhesive or bitumen; and turned over and adhered to the substrate.
Cite this entry
APA

mop-and-flop. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/mop-and-flop

MLA

“mop-and-flop.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mop-and-flop. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “mop-and-flop,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/mop-and-flop.

Source: mop-and-flop on Wiktionary, CC BY-SA 4.0.