It has been mechanically polished, using stones or abrasives that are harder than the plaster finish, to provide a smooth, sometimes shiny, finish.
Tile may be ribbed to accept a plaster finish, or smooth.
These claddings are a textured plaster finish over the top of fibre cement or polystyrene material.
It prevents a crack appearing in the plaster finish at a later date.
Many of its architectural features such as the copper roof and gray plaster finish are shared by the neighbouring St Paul's School.
The load bearing walls on the first and second floors are brick with a plaster finish.
Walls have a rough plaster finish both inside and out, and concrete block walls are left exposed.
Stabilized blocks create a brick wall that if properly stabilized can be left exposed with no outer plaster finish.
Many rooms retain their original plaster finish.
Canvas, yes; but also wood, and even a smooth plaster finish for fresco painting.