vapor barrier

noun

Definition of vapor barrier

: a layer of material (such as roofing paper or polyethylene film) used to retard or prevent the absorption of moisture into a construction (such as a wall or floor)

Examples of vapor barrier in a Sentence

Recent Examples on the Web The downside comes when that promise turns out to be false — if the buyer moves in only to find out that the roof needs replacing or the bathroom has no vapor barrier and mold is growing. Washington Post, 21 Sep. 2021 Water-resistant upgrades include a new interlocking design, foam pads to control pressure behind the panels and a second layer of Henry Blueskin — a water and vapor barrier. Rochelle Olson, Star Tribune, 2 July 2021 In 2013, every brick (all 300,000 of them) was removed, a vapor barrier and more insulation were added and then new bricks (replicating the ones used in 1971) were installed. Rick Nelson, Star Tribune, 4 June 2021 The exterior walls are reparged and a vapor barrier added. Kevin Brasler, Star Tribune, 5 Sep. 2020 The exterior walls are reparged and a vapor barrier added. Kevin Brasler, Star Tribune, 5 Sep. 2020 The exterior walls are reparged and a vapor barrier added. Kevin Brasler, Star Tribune, 5 Sep. 2020 This will produce a vapor barrier in front of your face but keep the chemicals out of your eyes. T. Edward Nickens, Field & Stream, 13 July 2020 The last Bata bunny boots — actually V.B. boots or vapor barrier boots — were produced in 1992. John Schandelmeier, Anchorage Daily News, 11 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vapor barrier.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vapor barrier

circa 1941, in the meaning defined above

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Time Traveler for vapor barrier

Time Traveler

The first known use of vapor barrier was circa 1941

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Dictionary Entries Near vapor barrier

vaporable

vapor barrier

vapor density

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Statistics for vapor barrier

Last Updated

28 Oct 2021

Cite this Entry

“Vapor barrier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vapor%20barrier. Accessed 6 Dec. 2021.

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