Use a solution of trisodium phosphate tsp available at your local hardware store in warm water according to the package directions.
How to repaint panel doors.
Begin by painting the edges with a brush.
Coat the horizontal rails next and finally the vertical stiles.
Soak a new china bristle brush for a minute or two in paint thinner then spin or knock off the excess.
Rolling a flush flat door.
When painting a paneled door begin with the recessed panels then the horizontal rails and.
To remove the door wedge a flathead screwdriver or chisel in the joint between the hinge and the top of the hinge pins.
Begin by rolling paint on the flat panels.
Wipe the door with a cloth dampened with mineral spirits and dry with another soft cloth to remove any surface dust.
Using a small roller to paint doors can greatly speed the process.
If you use a roller backbrush immediately with a wide brush or pad to smooth the roller stipple.
Tape the doorknob hinge notches you could also uninstall the doorknob hardware but i prefer to have less.
If your doors are brand new and unpainted and constructed of timber e g.
Next paint the horizontal cross pieces in.
Pine then what you are really going to need to do to get the best finish is to apply one coat of primer one coat of undercoat or indeed one coat of a combined primer and undercoat and then your top coat.
Pour some finish into a clean bucket and dip the bristles about a third of the way into the liquid.
Place the door flat on the sawhorses.
Prepare the panel door for painting 1.
The texture that rollers impart works well for walls and ceilings but isn t attractive on doors or wood trim.
Apply primer if painting over oil based paint so that you can switch to latex.
Start by rolling the paint on in an up and down direction.
Remove from hinges if you re painting a door that s already been installed and functioning your first decision is.
Paint a flat door with a brush pad or roller with a 1 4 inch nap or foam sleeve.
Allow the door to dry thoroughly after washing and before you apply paint.
Start on the panels then move to the surround ing moldings.