A wooden building with filigree supports

30. Mai 2023

The new apartment building in Buchs AG combines the advantages of timber construction and solid construction. The wooden floor slabs, which are only 39 centimeters thick, rest on filigree supports - beams are not necessary. Thus, the large rooms and window fronts are not impaired by disturbing cross beams. This is possible thanks to TS3 technology.

On the periphery of the Aargau municipality of Buchs, between railroad tracks and neighborhood streets, there is a small plot of land, or rather a residual area. Exactly at this location, the municipal boundaries divide the parcel into three (!) different zones. At first sight, a development of this remaining area seemed almost hopeless. With these general conditions, the architects Andreas Marti & Partner Architekten AG developed a floor plan that is organized in a triangular shape according to the property boundaries.

TS3 technology with slim floor slabs

The three-story apartment building was once planned as a solid construction. However, the client and the planning team were convinced of the advantages of timber construction. Today, there is a building that combines the advantages of timber construction and solid construction. This is possible thanks to TS3 technology. As is usual in solid construction, the building is built as a column-and-slab construction. Simply made of wood. The floor slabs, which are only 39 centimeters thick, rest on filigree columns; beams are not necessary. This gives the building a light appearance and the large window fronts are not impaired by disturbing cross beams.

Images: Andreas Marti & Partner Architekten AG

The advantages of the timber construction method are clearly visible and noticeable: The stately building was erected in just one week. The very short construction time made it possible to dispense with costly safety measures along the railroad tracks. Inside, the colorlessly glazed wooden ceilings provide a pleasant living atmosphere. On the outside, the wooden building shines with a back-ventilated, silver-grey pigmented wooden formwork. The restrained color scheme gives the new building a contemporary architectural expression and creates associations with traditional timber construction.

Good sound insulation despite slim design

The floor structure is very slim, with a thickness of less than 40 centimeters. Six centimeters of elastically bound chippings fill and four centimeters of impact sound insulation ensure sound insulation between the apartments. Sound measurements show that the minimum requirements are clearly exceeded in the area of impact sound, and even the increased requirements are met for airborne sound.

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