Preparing to Paint
Paint preparation starts with clearing the room. Take down window treatments and remove as much furniture as possible. Move the rest to the center of the room and cover with a tarp. Take down artwork, mirrors, or other wall decorations. Turn off power to the room and-safely-disconnect light fixtures or bag them as they hang disconnected. Remove faceplates on electrical outlets and light switches.
Look for holes and dents to plug with spackling compound. Check to see if there is any discoloration on the walls or ceiling. If there is, consider painting with a stain blocker so the stain does not show through the new paint.
Vacuum the floor, walls, and ceiling. Wash the walls and ceiling with just a bit of diluted soapy water to remove any build-up, especially if painting the kitchen or bathroom. With a damp, lint-free cloth, wipe down the space to remove any soap residue and allow the ceiling and walls to dry.
Cover the floor with a tarp or drop cloth. Consider using painter's tape to attach the cloth to the baseboard to prevent it from moving. Run a line of tape on the edge of the woodwork where it meets the wall. Particularly messy painters might consider using newspaper and painter's tape to “package” the windows and doors to minimize the need for spill cleanup.
Paint Tools and Equipment
Before painting, assemble everything that may be needed. Typically, for a latex- or water-based interior paint, that includes a roller, a roller pan, an extension pole for the roller, a narrow (two- to four-inch) angled brush for “cutting in” or doing tight abutting areas between wall and ceiling or trimwork, a wider brush for areas narrower than the roller, cans of paint, and a stir stick.
Have a roll of paper towels, old newspapers, a bag to dispose of used towels, a screwdriver or paint key to remove the paint can lid, a stepladder, a stepstool, and a damp lint-free rag.
Order of Painting
A room is painted from the top down, so the ceiling is first. Begin by painting a strip about three inches wide on the ceiling where the ceiling meets the wall. When this is finished, clean the brush with soap and water and wrap it in paper to keep it clean with a shaped edge.
Prepare the roller and extension pole. Pour some of the paint into the roller pan. Lightly roll the roller in the paint and start painting the ceiling at the furthest corner from the exit door. Paint with a criss-cross stroke to ensure sufficient coverage. Complete small sections of the ceiling at a time.
As painting continues, spills and splatters may occur. Be sure to wipe them up quickly while they are easiest to remove. If not, there also is a risk of stepping in the spill and tracking it around the room.
How to Paint Walls
When the ceiling is completed, start on the walls. You need to know how to paint a wall in order to paint a room. Use your cleaned brush to paint an edge of about three inches out from the corners of the room, around the windows and doors, at the baseboard, and below the ceiling. After that's done, use the roller and extension to paint the walls. Experts recommend two coats of paint for any surface, as the first coat can shrink when dry, revealing voids that were not there when wet. A second coat ensures uniform coverage.
If you take a break during the project, don't leave your brushes or rollers sitting in paint. Clean them. Latex paint can dry out quickly. Cover paint trays with a damp rag. If the paint has a plastic lid, snap it back on. If it has a metal lid, clean the rim, put a piece of newspaper or a rag over the top, and gently tap the lid closed with a hammer.
When finished, stand back and review the work. Check for paint drips on the wall or areas not sufficiently covered. If it all looks great, it's time to clean up. If there is any paint remaining, take a permanent ink marker and note the name and blend of paint and the room in which it was used. Wipe the can edge clean and seal it. If you've used latex paint, clean all brushes and rollers with warm, soapy water and rinse them well. Oil-based paints require solvents for cleanup, followed by a wash with warm, soapy water and a good rinse. Allow brushes and rollers to dry naturally. When dry, wrap the brushes in paper to preserve the shape and prevent bristles from curling.