vapor barrier

noun Building Trades.

a layer of material, as plastic film or foil, used to protect installed insulation by retarding the transmission of moisture from the interior environment.

QUIZZES

TAKE THIS QUIZ TO SEE WHAT YOU KNOW ABOUT HIGH SCHOOL PUNCTUATION!

Commas mark divisions in sentences. Periods end declarative sentences. Apostrophes show possession. Easy, right? Well, punctuation can get pretty tricky—fast. Think you got what it takes to be a punctuation expert? Take our quiz to prove it!

Question 1 of 10

Which of the options below is the best punctuation for the sentence? It__s your turn to pick the movie __ but your sister gets to pick the board game we _ re going to play.

Its your turn to pick the movie but your sister gets to pick the board game we’re going to play.

It’s your turn to pick the movie but your sister gets to pick the board game were going to play.

It’s your turn to pick the movie, but your sister gets to pick the board game we’re going to play.

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Origin of vapor barrier

First recorded in 1940–45

Words nearby vapor barrier

vape, vape pen, vaphio, vapid, vapor, vapor barrier, vapor lock, vapor pressure, vapor tension, vapor trail, vaporescence