Norra stråket in Kiruna is an area comprising several new buildings and is part of the new Kiruna – the city that is moved due to extension of the mine. For Acouwood this project involved modular development for the Estonian company MATEK and also outdoor noise calculations / Noise mapping for these builings. Finally, measurements were carried out in September 2022 in one of the buildings completed, verifying the sound insulation in the buildings. The sound insulation fulfils sound class B according to the Swedish standard SS 25267.