aj insulation
TRANSCRIPT
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16 AJ SPECIFICATION 02
Matthew King, UK managing director oActis Insulation, describes multioils as‘multi-layered products o limited thickness
(around 30 mm), comprising refective lmsalternating with separators.’ ey areparticularly suitable or renovation, especial where space is limited, reducing all ormso heat loss and perorming well all yearround. According to King, ‘For the samethermal perormance, multioil insulation is25 to 30 per cent as thick as traditionalinsulation (air gaps included).’
Ultra-thin VIPs (AJ 04.02.10) can greatlyincrease insulation eciency, but theirlietime needs to increase signicantly i theare to be used in masonry cavity constructioVIP specialist Ian Abley says recent
commercial breakthroughs will be madepublic at the International VacuumInsulation Symposium in Ontario, Canada,in September. He says advances have beenmade in our areas: vulnerability (preventingprocesses damaging products); the servicelie o insulation; substitutability; andmodularity (the use o co-ordinatedpreabrication).
e Deutsches Institut ür Bautechnik (DIBt) issues a National Technical Approvain the absence o DIN Standards. It hastaken the view that VIPs that start with a
thermal conductivity o 0.005W/mK loseperormance through pressure gain and havedesign values o between 0.007 and 0.008WmK ater 30 years. ‘Both va-Q-tec andPorextherm oer products with such DIBtapprovals, and both know them to becautious estimates,’ says Abley.
In 2009, it was clear that, while 30-yearVIPs are available or numerous constructioapplications such as shorter-lie cladding, along-lie panel is required or building intostructures. ‘is has already been inventedand is now being commercialised,’ says Able
In 1996, while working or Owens
Corning, Stan Rusek collaborated on apatent or a tray-shaped stainless steel ‘AuraVIP. Last July, he applied or a patent on animproved stainless-steel oil-wrapped plankinitially with a glass-bre core, to be builtinto brick and block cavity walls or concretesandwich panels. Rusek and his daughterSamantha are currently seeking the capitalto produce Century insulation, capableo achieving a U-value o 0.1W/m2K inless than 50mm, at less than £50/m2, and >>
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AJ SPECIFICATION 02.11
Opposite page
Poole Architects’
Seitzstraße apart-
ments, Munich, uses
20mm VIPs inconjunction with
insulation with
insulated render
Clockwise from
top left Actis
Triso-super multifoil
insulation; Core of
va-Q-tec; inside an
AcuTemp VIP
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24
UNDERHILLHOUSE,
WARWICKSHIRESEYMOUR-SMITH
ARCHITECTS
4
Clockwise from
top right Reective
suraces bounce light
into the deep-plan
spaces; extensive
south-acing glazing
admits heat and light;
concrete softs and
services are exposed;
the reective white
fnishes are
complemented by
colour highlights
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AJ SPECIFICATION 02.11
1.Precastconcrete
upstand
2.Renderedinsulation
3.Ocutsoinsulation
lightweightfllmater
4.Wildgrassmeadow
5.Precastconcretewpanel
6.Waterproofng
7.Insulation
0 1mSection
1
2
3 4
5
6
7
Seedetail1,p26
See
detail2,
p28
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40 AJ SPECIFICATION 02
GREENHOUSE,MIXED USE
DEVELOPMENTLEEDS WEST ANDMACHELLARCHITECTS
Below View of the
development lookin
west over Leeds