Sandblasting is a process that is used to remove paint or other surface coating from a surface. It is usually done using a powerful stream of water and sand.
The company is using sandblasting to remove the paint from the building.
The painter was sandblasted before he began to paint the house.
verb
To spray with fast-moving solid grains (such as sand propelled by compressed air, although softer material like sodium bicarbonate used for delicate materials may also be so referred to). The process is used for stripping dirt, rust, paint etc. from the surface of objects.
noun
The process by which something is sandblasted.