subfloor

American  

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

Often subflooring

noun

1. a rough floor beneath a finished floor.

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subfloor British  

/ ˈsʌbˌflɔː /

noun

1. a rough floor that forms a base for a finished floor

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Etymology

Origin of subfloor

sub- + floor

Example Sentences

Because it was in a part of the house with a concrete subfloor and no second story, some of the books on bottom shelves still sat in neat, ashen rows, the stitching on the spines still visible.

From Los Angeles Times

This rigid material must be custom cut and fit tight between the floor joists, subfloor and sill plate.

From Seattle Times

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

From Seattle Times

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

From Seattle Times

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

From Seattle Times