Vapor barrier

(redirected from Vapour barrier)

vapor barrier

[′vā·pər ‚bar·ē·ər]
(civil engineering)
A layer of material applied to the inner (warm) surface of a concrete wall or floor to prevent absorption and condensation of moisture.

Vapor barrier

Airtight skin of polyethylene of aluminum that prevents moisture from warm damp air in a building from passing into a colder space, causing condensation.

vapor barrier

vapor barrier
SeeVapor retarder.
References in periodicals archive ?
It can measure the permeability of anything from a coating of paint to a building board or vapour barrier or from an entire wall structure to a roofing or flooring system.
If the wine cellar has concrete flooring, create another vapour barrier with concrete sealant.
Offering a moisture and water vapour barrier on the paper - a function that so far has only been reached by waxing or PE coating - the new grade is perfectly suited for various food wrap applications in direct contact with warm food products, such as hamburgers and sandwiches.
We are proud to offer a paper grade with a moisture and water vapour barrier, which is at the same time 100 percent biodegradable and compostable.
Solvay says Diofan and Ixan high barrier polymers have both oxygen and water vapour barrier properties.
Hydrablock can also be used as a vapour barrier during welding.
Panels also contain a vapour barrier layer and the cardboard pulp was chemically treated to counteract its hydroscopic (sponge-like) properties.
I purchased a 330-metre roll of the thickest vapour barrier I could buy for a double use.
This same plastic would be reused as vapour barrier over the insulation in other walls.
View-Barrier has a water vapour barrier, achieving a transmission rate of up to [10.
The masonry walls are lined with heavy concrete blocks and separated from the rest of the building by a vapour barrier, so minimizing changes in temperature and humidity.
A barrier film claimed to have "the world's highest level of water vapour barrier properties" is being introduced to Europe.