vapor barrier
Americannoun
Etymology
Origin of vapor barrier
First recorded in 1940–45
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The house, built prior to World War II, had no vapor barrier under the concrete.
From Seattle Times ● Mar. 25, 2024
Nicholson & Galloway, an exterior restoration contractor experienced with historical domes, repaired cracks in tiles, patched concrete, then layered on new protective materials: a hand-troweled vapor barrier, spray foam insulation, stainless-steel framing, plywood sheathing.
From New York Times ● Dec. 22, 2022
Make sure that there is sufficient insulation, that it is properly sealed with a vapor barrier, that vents are in good condition and that it’s well ventilated to let out moisture.
From Washington Post ● Jan. 2, 2018
Another possibility, he says, is that the soil also provides a vapor barrier to help stifle sublimation as well as physical insulation.
From Science Magazine ● Aug. 16, 2017
The experimental uniforms, of which 150 have been tested, work on the "vapor barrier principle."
From Time Magazine Archive
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.