sub·​floor ˈsəb-ˌflȯr How to pronounce subfloor (audio)
: a rough floor laid as a base for a finished floor

Examples of subfloor in a Sentence

Recent Examples on the Web Since cork is often used as an underlayment, these tiles require no extra subfloor underneath. Kat De Naoum, Better Homes & Gardens, 16 Oct. 2023 This movement could be your floor moving on top of your subfloor, your subfloor moving on top of your joists, or any combination of friction between the floor system's components. Kamron Sanders, Better Homes & Gardens, 7 July 2022 Firefighters arrived to find heavy smoke coming from the basement and discovered flames burning through the subfloor and extending to the floors above, the release said. Naperville Sun Staff, Chicago Tribune, 17 May 2023 Dump some mortar onto the subfloor and use the smooth (un-notched) edge of a ¼-in. Joseph Truini, Popular Mechanics, 25 Nov. 2020 Nine feet wide and only 8 feet tall, the Titan leaves little room for its passengers, who sit on a subfloor inside the carbon-fiber tube. Peter Charalambous, ABC News, 19 June 2023 Installation is made quick and easy thanks to interlocking pieces that can stay as a floating floor or be glued down to the subfloor. Barbara Bellesi Zito, Better Homes & Gardens, 23 Mar. 2023 Shaw Primavera can easily be laid down over wooden or concrete subfloors. Barbara Bellesi Zito, Better Homes & Gardens, 23 Mar. 2023 It can be installed over any smooth, stable surface, such as concrete, wood subfloor or even an existing floor made of vinyl or tile. Dan Diclerico, Good Housekeeping, 30 Dec. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'subfloor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1838, in the meaning defined above

Time Traveler
The first known use of subfloor was in 1838

Dictionary Entries Near subfloor

Cite this Entry

“Subfloor.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

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