Multi family house, Bachstrasse, Buchs

The Project
The three-story apartment building was originally planned entirely as a solid-construction structure. Today, the client is delighted with a building that combines the advantages of timber construction and solid construction: The building offers a pleasant living environment, has a low ecological footprint, provides high flexibility of use, and was completed quickly and within the planned budget. The floor structure is very slim, measuring less than 40 centimeters. Sound measurements were conducted for quality assurance, and the requirements were met.

The Construction Method
The cross-laminated timber floor slabs are connected to large-scale areas using TS3 joints. They rest on very slender reinforced concrete columns and on the load-bearing exterior walls. This construction method resulted in a total of 190 m² of TS3 floor area. Six centimeters of elastic-bound gravel fill and four centimeters of impact sound insulation ensure soundproofing between the apartments.

The Challenge
The connection details between the very slender reinforced concrete columns and the cross-laminated timber floors, as well as the stairwell constructed using timber, are the exciting challenges of this project. And the thin floor slabs required careful planning and execution of the details.