Things You'll Need
Primer paint, such as Kilz
Flat head screwdriver
There are two types of murals: painted and sticker. Sticker murals, which are seen most often in baby rooms, can be steamed off the same way as wallpaper. Covering painted murals is more of a process. Many types of primer coat paints are on the market, including the popular Kilz brand. Kilz is an acrylic latex paint that covers any type of paint, including glossy surfaces. To start, measure the mural and take the measurement to the hardware store to determine how much paint you will need.
Move furniture or objects that you want to protect into the middle of the room, away from the mural. Cover them in plastic or a sheet. Put down your dropcloth to protect the floor.
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Tape the edge of the wall at the base to protect the floor and down the sides of the wall to protect neighboring walls.
Clean the mural using a mild cleanser and a sponge. Let it dry completely.
Sand the mural if it is glossy to help the primer stick to the surface. Clean and dry the newly sanded mural area again.
Open the primer with a screwdriver and mix it with a stick. Pour a liberal amount into a paint tray.
Use the 3-inch brush to cut-in the paint on the edges of the mural. Use the roller to roll on a layer of primer in vertical motions, blending the cut-in paint into the main roll-on paint. Allow to dry.
Repeat the painting for a second coat, which should eliminate any trace of color from the original mural, leaving a fresh white painting surface.
If the mural holds a lot of memories, be sure to photograph it before painting over it. If the mural is small enough, consider using Gesso as a primer paint. It can be purchased at an art store.
Make sure your room is well ventilated. Fumes may be toxic. Water-based primer is recommended. Wash out your brush and roller immediately after use with warm water and a gentle detergent so they may be used again.