The Haus Hoinka project was planned in the years 2018 to 2019 by Atelier Kaiser Shen BDA from Stuttgart and carried out in the years 2020 to 2023.

The entire building envelope of the semi-detached house is made of a prefabricated element consisting of construction straw and clay plaster. This construction made of local and environmentally friendly building materials fulfils excellent properties in terms of insulation and indoor climate. In order to protect the floor slab of this sensitive construction method from water, the building is raised.

However, this constructionally necessary elevation is exaggerated and carried out storey-high. This creates an open space that can be appropriated by the residents and functions, for example, as a workshop or summer kitchen. Thus, the building will be enlarged by an entire floor in summer. The point-symmetrical spatial entanglement of the two semi-detached houses responds to visual references in the surroundings, as well as the orientation to the garden.

Participating companies
Shell construction: Bauunternehmung Haass GmbH & Co.KG, Güglingen
Woodwork: Heyd GmbH Zimmerei - Holzbau, Heilbronn
Facade: Carpentry Tobias Scheuermann, Sachsenheim
Straw bale insulation: Zimmerei Tobias Scheuermann, Sachsenheim
Drywall / clay plaster: Stukkateur Link GmbH, Lauffen a/N.
Interior doors: Schreinerei Jauss, Sachsenheim
Steel construction (balconies): Danner Metallbau GmbH, Güglingen-Frauenzimmern
Plumbing work, balcony sealing: HS Blechschmiede. Spenglerei, Heilbronn
Electrician: DTC GmbH, Reutlingen

Text: Atelier Kaiser Shen
Photos: Brigida González

The preparatory work for this project publication was carried out as part of the building construction theory in the seminar FACADE 4.0 at the FATUK of the RPTU through a student thesis by Paskal Midas.

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