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Retrofitting of a listed brick and wood building using vacuum insulation panels on the exterior of the facade: Measurements and simulations

Pär Johansson (Institutionen för bygg- och miljöteknik, Byggnadsteknologi) ; Carl-Eric Hagentoft (Institutionen för bygg- och miljöteknik, Byggnadsteknologi) ; Angela Sasic Kalagasidis (Institutionen för bygg- och miljöteknik, Byggnadsteknologi)
Energy and Buildings (0378-7788). Vol. 73 (2014), April 2014, p. 92-104.
[Artikel, refereegranskad vetenskaplig]

Many old listed buildings have an unsatisfactory thermal performance compared to the standards of today. The listing often limits the position and necessary thickness of an added insulation layer in the building envelope. Vacuum insulation panels (VIP) present unprecedented possibilities to reduce the required thickness of the insulation layer. The aim of this study is to explore the performance of VIP in the retrofitting of listed buildings. The goal is to improve the thermal transmittance and moisture performance of the wall and the thermal comfort for the occupants. Hygrothermal sensors were installed in the wall of a listed building insulated with VIP on the exterior. Sensors were also installed in a neighboring (non-retrofitted) wall as reference. Through a comparative analysis of the measured data it was concluded that the hygrothermal performance of the retrofitted wall was substantially better than of the reference wall. The measurement results were also compared to hygrothermal simulations to quantify the improvements in the thermal transmittance and moisture performance. A deviation was found between the measured and simulated relative humidity in the wall which was explained by vertical air leakage paths in the wall.

Nyckelord: Listed building, Retrofit, Brick, Wood, Vacuum insulation panel, Measurement, Simulation, Hygrothermal performance, Thermal transmittance, Thermal comfort

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Denna post skapades 2014-02-10. Senast ändrad 2015-04-20.
CPL Pubid: 193602


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Institutioner (Chalmers)

Institutionen för bygg- och miljöteknik, Byggnadsteknologi (2005-2017)


Building Futures
Hållbar utveckling

Chalmers infrastruktur

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Denna publikation ingår i:

Building Retrofit using Vacuum Insulation Panels: Hygrothermal Performance and Durability