A curved ceiling is called a barrel ceiling or a barrel vault

Ceiling is dead straight and dead round.

screeds are set every four feet in Washington, DC

First, screeds are set every four feet. These are round and the same thickness. We put on the brown coat in two steps, a scratch coat and a double up coat to make sure it is right.

angles are next and rodded off with a 6 foot rod

The angles are next and rodded off with a 6 foot rod.

Next, ceiling is filled in and rodded off with a 6 foot rod.

Next, ceiling is filled in and rodded off with a 6 foot rod.

Another action shot in Washington, DC

Another action shot.

plaster ceiling is on the money

After the ceiling is rodded off, we put on a double up coat and rodded it off to true it up. Ceiling is on the money and about a 1/2 inch thick.

Ceiling is finished with color plaster in Washington, DC

Ceiling is finished with color plaster.

I never use lightweight aggregates for plaster

I never use lightweight aggregates for plaster. They just aren't that strong. I used sand blast sand instead of masonry sand for improved strength.

mixing plaster with a hoe.

Chopping mud: mixing plaster with a hoe.

special scaffold

We built a special scaffold over the high end counter top. .

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