At Home with Sarah Beeny Autumn 2015 - (Page 190)
Cavity wall
insulation
It will make your home warmer and help you save on heating bills,
but how do you choose the right system?
C
avity wall insulation, in various
forms, has been around since
the seventies and during that
time around six million existing
homes built with cavity walls have had this
installed. However, there are an equal
number of properties with cavity walls that
remain empty, which could greatly benefit
from installation.
Is cavity wall
insulation any good?
The simple answer to this often asked question
would be to say that cavity wall insulation is
very good, but only when installed properly.
This article will explain what you should expect
from having it installed, give you advice on
choosing the right system, and tell you what to
look out for during the installation process to
ensure that you get what you pay for and also
polypearl DPS.indd 190
to ensure that you achieve the
highest possible energy
saving in the coming years.
Can cavity wall
insulation really
save the energy
that installers
claim it does?
DID YOU KNOW
Insulating your
cavity walls can save
you up to 25% on
your heating bills
By choosing the right system and
ensuring correct installation it is
possible to reduce your heating bills by
approx 25% per year, which typically equates
to around £350 in a detached house or around
£200 in a semi-detached house. Therefore it is
very important that you make an informed
choice of which system you want to be installed
into your property; make certain the installer is
approved by the British Board of Agrément
(BBA) to install that particular system, and then
check out the installation
process to make certain
that the installer you
entrust with the work
does a good job.
Choosing the
right system
When choosing the
system to be installed, there
are really only two criteria to
consider: one, will the system
give you the best possible return on
your investment; and two, will the system
maintain the same protection against winddriven rain that an empty cavity does.
To get the best return on your investment, you
will need to check that the chosen system can
fully fill the cavity to an even density and that no
voids form during the installation process. We
say this because you may be swayed by
16/10/2015 10:53
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At Home with Sarah Beeny Autumn 2015
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