What materials and methods are used in stone restoration?

There are various materials and methods used in stone restoration.

Matériaux:

Stone fillers or putties: These are used to fill in gaps and cracks in the stone. They come in different colors and consistencies, and are chosen based on the type of stone being repaired.
Stone adhesives: These are used to bond broken or separated pieces of stone back together.
Stone sealers: These protect the stone from stains and weathering by forming a barrier over the surface.
Stone polishes: These are used to restore the shine and luster of the stone surface.
Methods:

Cleaning: The first step in stone restoration is usually cleaning the surface of the stone to remove dirt, taches, and debris.
Grinding and honing: These are techniques used to remove scratches and stains from the stone surface, and to create a smooth, uniform finish.
Patching and filling: Cracks, puces, and holes in the stone can be filled using stone fillers or putties.
Replication: If a piece of stone is missing, a replica can be created using molds and casting techniques.
Consolidation: This involves strengthening the stone by injecting a consolidant material into it.
Surface protection: After the restoration process, a sealer can be applied to protect the stone from future damage.