Cavity Wall Insulation
Up to 35% of the heat
lost in your home escapes through the walls. Cavity Wall Insulation will help to
prevent this heat loss and save you money on your heating bills. Cavity Wall
Insulation also has the opposite effect in the summer by keeping you cooler.
What Is Cavity Wall Insulation?
In most houses
built after 1930, the external walls are made of two layers with a small air gap
or 'cavity' between them. If your home has unfilled cavity walls, a considerable
portion of your heating bills will be spent warming the air outside.
Injecting the gap between the two walls of a house with an insulating material
decreases the amount of heat escaping through the walls. Cavity Wall Insulation
is quick, clean and FREE or inexpensive to install. It is injected into the
cavity from the outside, typically taking two or three hours. All cavity wall
installations are backed by a 25 year independent guarantee from CIGA,
The Cavity Insulation Guarantee Agency.
The Savings
Around a third of all the heat lost in an un-insulated home escapes through the
walls. If you have cavity walls, insulating them could save you between
£180 and £260 a year on your fuel bills. It will also cut
CO2 emissions by around 1 tonne. These figures are provided by The Energy Saving
Trust and are based on an average size property heated by gas. Greater savings
can be made in larger properties or those heated by coal or electricity.
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