Regulations need to be renewed to facilitate modern building systems

Introduction of Article

Wood, in particular KL wood, is increasing as construction material in buildings. The use of wood improves the conditions for sustainable development and a more circular economy in the construction sector. Wood in the frame still creates some doubt among many developers and one problem is the difficulty of rhymingsimilar dimensions meet the corresponding sound insulation requirements that we are used to after a long history with heavy concrete frames. The difficulty increases when the buildings are high. For example, in order to secure sound class B, the walls become thick or well-functioning elastomers must be installed between the different floors. Often, large design margins are needed, since elastomers and their acoustic efficiency become unclear when the wall elements are tightly joined for static reasons. Therefore, it is almost the responsibility of an acoustician to work to ensure that the requirements we place on sound insulation in the building process really meet the needs of residents for different building categories. We should not lower the overall quality, but instead refine the requirements to create the right conditions in each individual situation. This requires increased knowledge.

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- Klas Hagberg