cavity wall

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cav·i·ty wall

one of the surfaces bounding a cavity.
Farlex Partner Medical Dictionary © Farlex 2012

cav·i·ty wall

(kavi-tē wawl)
A surface bounding a cavity.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
As a general rule, houses built after 1920 have cavity walls and those built before don't, but there are exceptions to the rule.
Cavity Walls, Canadian Building Digest - 21, National Research Council of Canada.
This is why the Sunday Mail has teamed up with Scottish Gas to help readers SAVE MONEY on their heating bills, by offering them FREE LOFT AND CAVITY WALL INSULATION, installed by a qualified Scottish Gas installer.
Cavity walls, as the name suggests, have a gap in the middle that can be filled with insulation to make them more energy efficient, so you should spend less on heating your home.
I decided not to install cavity wall insulation for the same reasons as Bryant.
The thickness of the cavity walls was standardized with an orthometer gauge (Korkhaus Orthometer Kit, 75228 Ispringen, Dentaurm, Germany).
The services the firm offer include insulating lofts and external, internal and cavity walls, installing heating systems and boilers as well as solar PV electricity systems, and issuing Energy Performance Certificates and Green Deal Advice Reports.
MILLIONS of UK homes have cavity walls - which means there's a gap in the middle of exterior walls - and filling them with insulation can make your home more energy efficient.
The offer, running until March 31, entitles homeowners and private tenants to get lofts and cavity walls insulated free no matter how old they are, how much they earn or if they are on any benefits and could see fuel bills cut by pounds 270 a year.
Normal construction using such elements as damp-proof courses, damp-proof membranes, lead flashings, cavity walls and suspended floors reduce moisture penetration into buildings.