Tape or remove the doorknob hardware and tape inside the hinge notches.
Paint interior door panels.
Put plastic on the floor and wall where you plan to lean the door.
Starting at the top working your way down by sections doing the details with a brush and the flat surfaces with a roller.
Typically there are two square panels on top two rectangular panels in the middle and bottom.
Then use a brush to smooth it out and fill in missed spots.
Paint a raised panel door with a brush and paint with the natural grain of the wood.
Maintain an 8 inch distance between the panel and the spray nozzle as you apply.
Paint the recessed panels the horizontal rails and then the vertical stiles if the door has panels.
The brush should be going in the same direction as the wood grain.
When painting a panel door a paint brush may be more effective than a roller.
First paint the edges around the door top sides and bottom.
After painting the door itself paint the doorjamb and casing beginning at the doorstop and working out.
Painting around the panels is time consuming making it difficult to keep a wet edge.
Paint the first side of the door.
Clean the door with basic household cleaner.
Smooth out the paint working with the grain.
Cover hinges with painter s tape if you want to keep them free of paint.
Begin by applying paint to the inside of the top panels.
Next paint the interior panels.
Use a small roller to quickly roll on the paint.