Les amis de l'Orgue de
> Temple > restauration
The building is altered in many places,
particularly in the parts made of Vosges sandstone, the stone is made
dirty and blackened throughout decades of pollution.
In 1991, the restoration of the
building, listed with a preservation order on it since April 1st
1963, is decided in close collaboration with the «Service des
Monuments Historiques de Franche Comté».
The restoration starts with the façade
cleaning thanks to a suction craddle fixed to the end of a pneumatic
handle set on a lorry.
It is not only fast (no scaffolding)
but also not traumatic (no added chemical products) for the epidermis
of the stone since a very fine glass powder is thrown out under
pressure by rubbing-out.
The protective deposit of the stone is
preserved. After erecting a scaffolding, strong enough to support the
loads, a stone-to-stone plan is laid down.
After the analysis of their sanitary
condition, it allows to spot the stones to be removed.
journeymen stone masons use 13.60m3 of the limestone from Villebois
and 13.70 m3 of pink sandstone from Alsace (Schneider quarry in Bust,
Bas-Rhin), grey stone from Adamswiller (Bas-Rhin, Saverne district).
If necessary after carving the stone,
the journeyman gives a sheen to it (its composition remains his own
A framework made of spindles screwed in
the stone allows to avoid possible damage.
Each block which is to be replaced is
extracted with a burin and a hammer.
The created cavities are propped up
with wooden pieces meant to avoid subsidences.
The joints are re-done identically, the
composition and the granulometry of the aggregates are respected.