Painting Ceilings

We primed this wood ceiling with B.I.N. shellac then caulked the seams with DAP 230.

How to paint flat ceilings to not show roller lines?

In this example, we painted an old but still very well-running bathroom exhaust ceiling fixture white.

Painting high ceilings is not a problem.

We generally use an airless sprayer for large ceilings and a roller for smaller ones. 

If a textured ceiling has never been painted before. 

SPRAY IT!

Should I paint the wood ceilings in my older home?