Apartment house Sommergasse 7, Allschwil

Addition of a floor to a residential building in timber element construction

The apartment building at Sommergasse 7 in Allschwil, built in 1954, was completely renovated and topped up.

The design called for the existing gable roof to be removed and the building to be raised with a new attic in timber construction. Roof loads are transferred from rafters to a ridge, two center purlins and the knee walls. There are four dormers on each side of the roof so that the new attic can accommodate two separate living units.

Building physics, building environment control,
Seismic safety, reconstruction,
Structural engineering

Referenzblatt MFH Sommergasse 7, Allschwil

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Your contact person

Moritz Müllerleile-Haas
Deputy Head of Renovation, Earthquake Engineering I
+41 61 317 64 79 | bW9yaXR6Lm11ZWxsZXJsZWlsZUBncnVuZXIuY2g=

Gruner Lüem AG
St. Jakobs-Strasse 199
CH-4020 Basel

References on the subject

New Solid Launch Facility Novartis, Stein
Ferrari Autohaus Niki Hasler AG
Volkshaus, Basel
Schulhaus Erlenmatt
Elementary school, Bettingen