Sustainable improvement of energy performance and indoor environment in 1960- and 1970’s schools

In Lund municipality, and in Sweden in general, many school buildings have been built in the 1960’s and 1970’s. The buildings from this era have quite specific problems and now, half a century later, require extensive renovation.

Previous research projects within the Swedish Energy Agency’s programme “Spara och Bevara” have concluded that hemp-lime is a good material for additionally insulating historical buildings, where heritage values can be preserved, and energy efficiency is improved.

The project aims to investigate hemp-lime and bio-based insulation materials in the renovation of school buildings. The focus is on the implementation of bio-based building materials in exterior walls, as acoustic panels in interior walls and in indoor ceilings. The goal is to sustainably improve energy performance as well as indoor climate (temperature, relative humidity, acoustics, fire safety). The project is carried out in close dialogue and collaboration with Lund municipality, in the lab, full-scale walls at Lund University and test walls in schools.

At the end of the project we plan to be able to present biobased renovation alternatives that have been tested in the lab, in the full-scale lab and finally in a case study object in Lund municipality.