underlayment

[ uhn-der-ley-muhnt ]

noun

1. material laid between a subfloor and a finish floor of linoleum, asphalt tile, etc.

Word History and Origins

Origin of underlayment¹

First recorded in 1945–50; underlay + -ment

Example Sentences

The manufacturer recommended installing a thin foam underlayment.

From Seattle Times

While most, if not all, LVP is waterproof, as well as most brands of underlayment, where will the water drain to?

From Seattle Times

Vacuum the existing surface to ensure there’s no grit or chips under the new underlayment.

From Seattle Times

Sometimes, you can dig to find a natural water source, but most artificial ponds use liners, underlayment and water pumps to keep the water moving and where it belongs.

From Seattle Times

GAF, a subsidiary of Standard Industries that makes things like shingles, underlayment and other roofing related products for homes and businesses, has committed to installing 500 roofs throughout the Gulf Region.

From Seattle Times