Originally restorers thought they would project a photographic image of the original frescoes onto the bare plaster of the vault, but that plan was abandoned.

The walls of the room were bare plaster, painted white.

There is a damp spot on one ceiling where the paint peels repeatedly, even after scraping the paint to the bare plaster before repainting.

These would normally be either bare plaster or painted plaster.

In that low-ceilinged chamber of bare plaster, in the fitful glow of one oil lamp, more dead men were scattered.

Roosevelt struggled mightily to keep the price down, substituting asphalt shingles for slate on the roof and leaving interior walls as bare plaster.

He stripped the walls to their bare plaster and added huge chestnut beams salvaged from an even earlier house.

One of these involves projecting a photographic image of the Cimabue painting onto the bare plaster of the vault over the altar.

When the painter scraped them away, layers of paint came off in large pieces, in some cases down to the bare plaster.

If bare plaster is powdery, something is wrong with it and it won't hold paint for long.