subfloor

American

[suhb-flawr, -flohr] / ˈsʌbˌflɔr, -ˌfloʊr /

Often subflooring

noun

a rough floor beneath a finished floor.

subfloor British

/ ˈsʌbˌflɔː /

noun

a rough floor that forms a base for a finished floor

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of subfloor

sub- + floor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This tool has a very thin blade that allowed me to undercut the door trim that extended down to the subfloor.

From Seattle Times • Mar. 4, 2024

The subfloor needs to be in the same plane so the LVP interlocks and stays locked when you walk on it.

From Seattle Times • Mar. 4, 2024

The homeowner was pleased when he walked across the plywood subfloor and there was no bounce whatsoever.

From Seattle Times • Dec. 25, 2023

If that doesn’t work, or if your cat seems to be returning to the same area, you might need to pull up part of the carpet, replace the pad and seal the subfloor with shellac.

From Washington Post • Jul. 18, 2022

After a while the others spray on another coat, and the trailer’s ready for the subfloor.

From "The House That Lou Built" by Mae Respicio

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023