How to Clean a Wall Before Painting

When painting, preparation is important to ensure that the new paint job will look its best. Nail holes, cracks and dirt will affect the look of the finished wall. Paint often will not adhere properly to a dirty wall, and things such as grease will eventually seep through the paint and stain the new paint job. If you clean the wall before painting and spend a few minutes correcting any imperfections, you will extend the life of the new paint and it will look its best for years to come.

Difficulty: Easy

Instructions

Things You'll Need:

• Joint compound
• Sandpaper
• Putty knife
• Sponge
• Water
• Soap
• Towel

1. Remove any nails, tape, or other items that are stuck in the wall. Use the putty knife to remove old adhesives.

2. Cover cracks and nail holes by smoothing on a thin layer of joint compound over them. Allow it to dry and then sand it smooth.

3. Mix 1 part mild soap to 4 parts water and wash the wall with this mixture and a soft sponge. Pay special attention to corners and baseboards that might have collected dust.

4. Dry the wall after cleaning. Check for smears and wash it again if necessary.

5. Paint the wall with a primer first to cover any imperfections that can show through the paint.

Tips & Warnings

• Cover flooring and furniture with drop cloths to avoid damage while cleaning the wall.

References

• Wall preparation for painting.