underlayment

noun

un·​der·​lay·​ment ˌən-dər-ˈlā-mənt How to pronounce underlayment (audio)
: underlay

Examples of underlayment in a Sentence

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The program ensures that roofing solutions act as a system to strengthen roofs and protect homes — from the roof deck joint tapes to the underlayments, the shingles, and attic ventilation. — Jennifer Castenson, Forbes, 4 Mar. 2025 In other cases, homeowners opt to have a new layer of shingles installed on top of the existing roof to help save money, only to discover that the new shingles aren’t very secure since they are being nailed into old shingles instead of into the underlayment. — Sara Kendall, Miami Herald, 24 May 2024 Some basement flooring types require an underlayment to be installed first. — Kat De Naoum, Better Homes & Gardens, 16 Oct. 2023 Since cork is often used as an underlayment, these tiles require no extra subfloor underneath. — Kat De Naoum, Better Homes & Gardens, 16 Oct. 2023 See All Example Sentences for underlayment

Word History

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of underlayment was in 1949

Rhymes for underlayment

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underlayment
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Cite this Entry

“Underlayment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underlayment. Accessed 23 Mar. 2025.

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