Solid walls let through twice as much heat as cavity walls
, but they can be insulated, either from the inside or outside.
As a general rule, houses built after 1920 have cavity walls
and those built before don't, but there are exceptions to the rule.
, Canadian Building Digest - 21, National Research Council of Canada.
However, not all cavity walls
are suitable - ask a reputable installer for advice.
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.
, 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.