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Thursday <strong>May</strong> 5 <strong>2022</strong> 13<br />
HOME & HEATING<br />
Ground moisture barrier<br />
under low sub-floor<br />
Now with the colder and wetter weather on<br />
its way, home owners are focusing on ways<br />
to make their homes comfortable, warm<br />
and healthy for their families throughout<br />
winter. Rising damp is an issue that affects<br />
many of our older properties which suffer<br />
from poor, or no, ground moisture barrier.<br />
In Canterbury especially, post-quake, many<br />
people have relocated to homes that suffer<br />
from rising damp which can be associated<br />
with health problems. Independent tests have<br />
shown that up to 40 litres of water can rise<br />
from the ground and enter a house every day,<br />
leading to mildew, mould, condensation and<br />
musty smells. Moulds can produce various<br />
allergic reactions and the frail, elderly and<br />
very young are especially vulnerable.<br />
Canterbury Foam Concrete Ltd is a<br />
locally owned and operated firm. The team<br />
understands the problems caused by rising<br />
damp and are there to help. They will come<br />
to your damp home and pump a lightweight,<br />
flowable foam concrete under your timber<br />
floored home.<br />
While insulation is important, it has been<br />
recognised that it is dampness that is the real<br />
villain in the house. The new Healthy Homes<br />
Standards introduced by the government<br />
effective from the 1st July 2019 now has<br />
a requirement to install ground moisture<br />
barriers, a key element in the armory to fight<br />
moisture in the home.<br />
Dr Larry Bellamy BE (hons) PhD in a<br />
report dated 1988: Foam Concrete Under<br />
Timber Floors: An Energy Analysis assessed<br />
the effects of placing Foam Concrete over<br />
damp soil and had this to say: Condensation<br />
on the underside of a timber floor can occur<br />
where the floor is suspended over damp<br />
ground and the inside air temperature falls<br />
close to the crawl space air temperature.<br />
Much energy is required to vaporize moisture<br />
that penetrates the structure. By avoiding<br />
underfloor condensation, foam concrete can<br />
reduce floor heat losses by up to 90%.<br />
• Canterbury Foam Concrete Ltd can in most<br />
cases, install a Ground Moisture Barrier<br />
under the suspended wooden floor of your<br />
home, even when there is no crawl space.<br />
• BRANZ Appraised; Appraisal Number 961<br />
• Members of the Insulation Association of<br />
New Zealand.<br />
• We offer a free measure and quote in the<br />
Canterbury region with no obligations.<br />
• Assessments can be made in all other<br />
regions by arrangement.<br />
Contact Canterbury Foam Concrete Ltd<br />
now for your free, no obligation quote and<br />
complimentary appraisal of your underfloor<br />
ground moisture barrier needs.<br />
Phone 03 376 4608, <strong>05</strong>08FOAMCO or<br />
www.foamconcrete.nz for more information.<br />
The importance<br />
of air quality<br />
The quality of the air<br />
we breathe affects our<br />
health and ability to<br />
perform. We breathe in<br />
and out approximately<br />
20,000 litres of air every<br />
day. It is therefore very<br />
important to ensure<br />
good air quality indoors<br />
through adequate<br />
ventilation. Ventilation<br />
is the process of air<br />
exchange to provide the<br />
necessary air quality that<br />
meets the needs of the<br />
occupants for clean, fresh air. Low oxygen<br />
with high carbon dioxide causes stuffiness<br />
in the room and occupants can feel drowsy.<br />
Invisible harmful substances like a high<br />
content of dust and tobacco smoke are<br />
harmful and can cause various diseases.<br />
Even bad smells can cause discomfort or<br />
irritate the nervous system. In summer, it’s<br />
easy to open windows for cross ventilation,<br />
however as winter approaches, we start to<br />
shut up out houses to trap in the heat and<br />
as a result, air quality can decline.<br />
Ventilation includes both the exchange<br />
of air to the outside as well as circulation<br />
of air within the building. It is one of the<br />
most important factors for maintaining<br />
acceptable indoor air quality in buildings.<br />
Filtered air supply for summer and filtered<br />
and warmed air in winter creates a healthy<br />
environment in which to live and work.<br />
In cases with poor or insufficient air<br />
intake from outside, the oxygen content<br />
decreases, humidity and dustiness levels<br />
increase. If exhaust ventilation is not<br />
provided or it is not effective, polluted air,<br />
smells, humidity and harmful substances<br />
are not removed.<br />
To ensure the quality of your air, contact<br />
the experts. Smooth-Air Products can<br />
calculate the required air exchange for your<br />
building requirement. Smooth-Air offers<br />
a wide range of ventilation equipment,<br />
from air vents to ducting for fans, for both<br />
the commercial and domestic markets.<br />
They have an extensive range of fans and<br />
ventilation components in-store but they<br />
can also provide innovative solutions<br />
tailored to differing requirements.<br />
ATTACK RISING DAMP<br />
Smooth-Air<br />
Ventilation Equipment Suppliers<br />
to<br />
trade<br />
&<br />
retail<br />
Domestic<br />
Commercial<br />
Industrial<br />
T. 03 376 4608 E info@foamconcrete.nz<br />
W. www.foamconcrete.nz<br />
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41A SHAKESPEARE RD, WALTHAM<br />
PHONE 03 366 <strong>05</strong>25<br />
www.enviromaster.co.nz<br />
“A local team for local people”<br />
0800 SMOOTH<br />
(0800 766 684)<br />
sales@smooth-air.co.nz<br />
the<br />
right<br />
264 Annex Rd<br />
Riccarton<br />
Christchurch<br />
03 343 6184<br />
for the<br />
product<br />
job<br />
Monday - Friday<br />
7.30am - 5pm<br />
www.smooth-air.co.nz