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Schöck Isokorb for demanding Luxembourg passive house

Schöck Isokorb for demanding Luxembourg passive house

Range of structural thermal break units from Schöck has been specified for a residential building at Burden.

The Grand Duchy of Luxembourg has been promoting thermal insulation and energy efficiency on a timescale way ahead of most European countries.

And passive house construction techniques already constitute the minimum standard for domestic new builds. Every new home in Luxembourg since 2017 has to meet the requirements of energy class AA, which corresponds to a building with virtually zero energy consumption.

The residential building at Burden, in the north of the country, has gone even further and achieved an AAA Luxembourg Passive House classification. For this to be possible, the primary energy demand must be below 45 kWh/m2a, the heat demand below 22 kWh/m2a, and the CO2 emissions below 11 kg CO2/m2a.

The balcony on the building serves to provide shade, which minimises the need for protection against the sun, but at the same time exploits the maximum amount of daylight. The specification was demanding and eliminating any risk of thermal bridging at the balcony connection was critical.

With the Burden project, two types of Isokorb variants were used on the front and on the sides of the 1.60m x 4.00m concrete balcony.

With their pressure bearings made of microfibre-reinforced high-performance fine concrete and an insulating element measuring 120 mm thick, the certified passive house components fitted together seamlessly without expansion joints into the reinforced concrete inner slab layer. The installation involved first placing the balcony cladding and floor slab into position. Then the load-bearing thermal insulation elements were secured to the steel reinforcements using binding wire. The floor slab and balcony could then be covered with concrete in a single pour, with the balcony being thermally isolated from the building with the help of the Isokorb.

The Schöck range of structural thermal break units allows connections to be made between concrete-to-concrete, concrete-to-steel and steel-to-steel. Product performance is totally verifiable and the range meets full compliance with the relevant UK building regulations, has NHBC approval and offers LABC Registration.

There is also the security of independent BBA Certification.

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Schöck

Schöck

In the UK Schöck provides both thermal insulation and acoustic insulation solutions. Its market-leading range of load-bearing thermal break elements, known as the Isokorb, allows connections to be made between concrete-to-concrete, concrete-to-steel...
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T(01865) 290 890
F(01865) 290899
E[email protected]
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 Staniford House, 4 Wedgwood Road, Bicester, Oxfordshire, OX26 4UL

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