Coming from Zurich, take the exit
St. Gallen-Winkeln. Drive towards St. Gallen, there’s a long bridge (Fürstenlandbrücke). After crossing the bridge there is a forked road, hang a right there and continue on the
Fürstenlandstrasse. Turn right at the 2nd set of lights onto
Haggenstrasse. You will pass under a bridge, then hang a left at the next street onto
Gröblistrasse. You will see a tall red building marked with a blue SIGVARIS logo.