Trends New Zealand NZ New Home Trends Vol. 30/10 | Page 69
Even without any heating or cooling of the
house, the temperature in the Ideal House will
never fall below 20°C. And it’s the high level of
insulation that makes this possible.
The owners chose Earthwool® glasswool
insulation from Knauf Insulation to provide
the extra-high thermal performance and high
R values required – R2.8 and R1.4 in a dual-skin
timber frame that reduces thermal bridging,
R5.2 for the ceiling and R2.8 in a floating floor
system. Additionally, R4.1 was installed in the
midfloor and R2.2 in all the internal walls for
acoustic benefits.
Earthwool glasswool insulation was also
chosen for its Eurofin certification, which means
the insulation is conducive to good indoor air
quality, which was another key requirement.
Made using recycled glass and sand, the
glasswool is super soft, which makes it easy to
install. It is also less itchy than many alternative
products, and has no added formaldehyde, phenols, bleaches or dyes.
Earthwool glasswool is the only glasswool
insulation available in New Zealand with
GreenTag Level A certification, which counted
towards the high 8 Homestar design rating.
Above left and top: An even
temperature all year round – the
interior of the Ideal House will
naturally stay above 20°C through
all seasons, due to the high level of
insulation. Earthwool glasswool with
high R values was installed in the
walls, ceiling and underfloor.
Above: Earthwool glasswool
provides a super-soft insulation that
is easy to install. It comes with a 50year warranty from Knauf Insulation.
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