Internal Insulation of Preservation Worthy Facades

Fabricio Lucchesi, Svend Svendsen, Kristian Koldtoft

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Abstract

With international awareness of the need to decrease greenhouse gas emissions, the Danish government set a target to be fossil fuel-free by 2050. To achieve that, existing buildings will need to be retrofitted with energy-saving technologies such as improved thermal insulation. In Denmark, a larger mass of the building stock from around 1850 to the 1940s is preservation worthy. The construction is typically solid brick walls with wooden beams on the floors. This creates a challenge for energy retrofitting since the external facades cannot be altered. The application of internal insulation can influence the temperature and moisture profile of the wall. Moisture builds up in the interface between the original brick wall, and the insulation layer can create an environment where mould can grow. Previous research also demonstrated a risk of moisture build-up at the beam-ends when internal insulation is applied. Saint-Gobain ISOVER has, together with DTU, spent five years developing a new system, ISOVER RetroWall System, which addresses these problems. The presented work will include a short introduction to the concept, results and conclusions from the field test and presentation of two sites with the finished system in use.
Original languageEnglish
Article number012084
Book seriesJournal of Physics: Conference Series
Volume2069
Issue number1
Number of pages9
ISSN1742-6596
DOIs
Publication statusPublished - 2021
Event8th International Buildings Physics Conference 2021 - Online event, Copenhagen, Denmark
Duration: 25 Aug 202127 Aug 2021
Conference number: 8
https://www.ibpc2021.org/

Conference

Conference8th International Buildings Physics Conference 2021
Number8
LocationOnline event
Country/TerritoryDenmark
CityCopenhagen
Period25/08/202127/08/2021
Internet address

Keywords

  • Retrofit system
  • Internal insulation
  • Moisture
  • Herritage solutions

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