At the time of our investigations, the restoration work on the west facade were virtually completed. A structural analysis could be performed only on the basis of structural differences in the wall, so they must remain largely hypothetical. The weather page of untreated stone was preserved at that time, but received a few years later einen deckenden Verputz, weil offenbar Feuchtigkeitsschäden aufgetreten waren.
Mauerwerk A, Schildmauer aus Tuffquadern
Wie beim Bergfried wurden auch hier die untersten Lagen aus Bruchsteinen aufgeführt, um eine horizontale Lage zu schaffen, auf welcher dann die gesägten Tuffquader gesetzt werden konnten. Die Lagen sind hier niedriger und weniger regelmässig gefügt als am Bergfried. Teile des Tuffmauerwerks sind zwischen den nachträglich eingebrochenen Fensteröffnungen bis etwa 2 m unter die bestehende Traufhöhe hinauf erhalten. Zwei Scharten im Erdgeschoss, eine liegende und eine stehende, gehören zum urprünglichen Bestand. Die Lagen grossformatiger Tuffblöcke enden etwa 1.80 m nördlich des Portals, but are present between the southern and the south corner Portalgewände again.
masonry B, southern third of first OG and south corner
Nordgewände and arch of the portal are formed from smaller sized pieces and put less care than is the case in A masonry.
in the portal area is the wall thickness on the ground floor 3.40 m, and measures 2.70 m in the upper floors, while other from top to bottom "only" about 2 meters. With the exception of the south corner of the availability of the portal Tuffquader no more. In their place have been used in some cases large-scale quarry stones and river pebbles. The front wall jumps significantly back toward A. Had about the gate originally found a bay window projecting military, which was later aborted?
masonry C, walling an opening? Wall
lot of fist-sized and some larger Tuffbollen limestones above the middle window between the window and the southern group. It closes flush with the right front and left of the zone B slightly projecting Tuffquader A. Whether it is a walling is created in several stages, as would be possible after the statue was in the condition encountered not be resolved.
masonry D, the top wall strip
Aufhöhung from the construction period of 1506-10. The stone wall corresponds to that character the pediment of the southern front.
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