Word.ws English Dictionary

roof deck

roof deck noun: the flat layer of construction materials to which the weather impervious layers are attached to a form a roof. It is known as the "roof deck", and they may be either level (for a "flat" rooftop) or sloped.

Noun

roof deck (plural roof decks)

  1. The flat layer of construction materials to which the weather impervious layers are attached to a form a roof. It is known as the "roof deck", and they may be either level (for a "flat" rooftop) or sloped.
    • In multi-story commercial construction, the dominant form of deck (including roof deck) construction is composite steel deck.2024 March 3, Wikipedia contributors, “Deck (building)”, in English Wikipedia, Wikimedia Foundation
  2. An upper deck of a ship that provides shelter for another deck underneath.
    • There are four decks under the main deck and three above, which are named the roof deck, the promenade deck, and the boat deck1913 May 29, “SS Gallia AND SS Lutetia”, in Shipbuilding and Shipping Record, volume 1, LONDON: Queen Anne's Chambers, S.W., page 323

Forms of roof deck

pluralroof decks

Questions about roof deck

What does roof deck mean?
Roof deck means the flat layer of construction materials to which the weather impervious layers are attached to a form a roof. It is known as the "roof deck", and they may be either level (for a "flat" rooftop) or sloped.
What part of speech is roof deck?
Roof deck is a noun.
What is the plural of roof deck?
The plural of roof deck is roof decks.

Words near roof deck in the dictionary

  1. roof assembly
  2. roof comb
  3. roof combs
  4. roof curb
  5. roof curbs
  6. roof deck
  7. roof decks
  8. roof flap
  9. roof garden
  10. roof gardens
  11. roof knocking

Source and license

Adapted from Wiktionary: roof deck (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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