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User evaluation of vacuum insulation in clay blocks

Hauge, Åshild Lappegard; Godbolt, Åsne Lund; Thomsen, Judith; Berker, Thomas; Time, Berit; Hyrve, Oddvar
Research report
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URI
http://hdl.handle.net/11250/2388219
Date
2013
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  • Institutt for tverrfaglige kulturstudier [492]
  • Publikasjoner fra CRIStin - NTNU [19849]
Original version
ZEB Project report. 22 p. SINTEF akademisk forlag, 2013  
Abstract
This is an early user test of vacuum insulation embedded in clay blocks, a solution developed within ZEB. The

product is in an early stage of its development and is not taken into use in any building projects yet. Therefore,

the evaluation is not based on experiences but on expectations towards this product. In this exploration we have

conducted twelve telephone interviews with representatives from different parts of the building industry. The main

results are: There is general agreement that vacuum insulation will be interesting and attractive for the market.

Some find thick walls problematic, but others indicated that there exist aesthetic and practical reasons to prefer

thick walls. Vacuum insulation may therefore be especially important for renovation projects and new buildings

where the site costs are high. Vacuum insulation in clay blocks seems like a reasonable combination to most of

the informants. But there was also a demand for vacuum insulation for wood constructions in combination with

thinner and lighter materials. According to our informants, to make vacuum insulation a central building product in

the future, a great degree of material flexibility will clearly be important. For future promotion of a product with

vacuum insulation, it is also important to convince the market that it is robust enough, and show calculation

examples on how the product may be more profitable when used where the site prices are high. The

environmental impact of vacuum insulation matters to some of our informants, and a clear plan for pre-separation

at source is asked for.
Publisher
SINTEF akademisk forlag
Series
ZEB Project report;12-2013

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