I know I’m going to have to make sure the ceiling, windows, floor, and door are covered. And I’m going to have friends help me with a lot of it, so it wont be as much work as it would myself.

I painted one coat of Kilz to the ceiling, then added Homex sand finish to the Kilz for the second coat. After doing so, there are several places where it did not cover evenly with places that did not have any of the sand texture at all. I used a

Does sizing need to be removed or sanded down before painting? If so how?