Definition of subfloor
: a rough floor laid as a base for a finished floor
Recent Examples of subfloor from the Web
For example, impact drivers are ideal for building decks, installing tile backer board, and screwing down plywood subfloors.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subfloor'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of subfloor
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