Cavity wall


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cavity wall

[′kav·əd·ē ‚wȯl]
(building construction)
A wall constructed in two separate thicknesses with an air space between; provides thermal insulation. Also known as hollow wall.

Cavity wall

1. A wall assembly constructed of two wythes of masonry bonded with wall ties and separated by an air cavity, which is sometimes filled with insulation.
2. An exterior wall, usually of masonry, consisting of an outer course and an inner course separated by a continuous air space connected by metal ties.
See also: Wall

cavity wall, hollow masonry wall, hollow wall

cavity wall
An exterior wall, usually of masonry, consisting of an outer and inner withe separated by a continuous air space, but connected together by wire or sheet-metal ties. The dead air space provides improved thermal insulation.
References in periodicals archive ?
3 Cavity wall insulation can reduce a home's carbon footprint, saving around 610kg of CO2 a year.
If your home was constructed in the last decade or so, it should have been built with external wall insulation, but most of us live in older properties, some of which have cavity walls and some don't.
The gap was the rain control thing in the original cavity walls.
1 MILLIONS of homes in the UK have cavity walls, exterior walls with a gap in the middle that can be filled with insulation.
Cavity wall insulation costs from a few hundred to several hundred pounds, depending on the size of the property, but you may be able to get a grant to help with the cost.
The house was of brick construction with cavity walls up to the gutter level; above gutter level the gable ends were 9in thick without a cavity.
Just one per cent of homeowners in the West Midlands took advantage of the support in the third year of the scheme (April 1, 2010 and March 31, 2011), despite the fact that installing cavity wall insulation is an easy and affordable money-saving measure.
Getting the recommended amount of loft insulation (11 inches) and having cavity walls insulated costs around Au500 for the average home but can save Au160 on heating bills each year, the department said.
Again, each group was further subdivided into another two groups according to the thickness of the cavity wall (1.
But the three measures that will bring the biggest savings are cavity wall insulation, loft insulation and replacing an old boiler.
Plug flow builds up in the cavity with a decrease of the local viscosity along the cavity wall due to the heat transfer from the wall and shear heating.
Masonry walls constructed today are typically cavity wall systems, but solid wall construction is still found in low-rise buildings and older masonry buildings.