Quick Guide on How to Clean Walls Before Painting

Quick Guide on How to Clean Walls Before Painting

Ready to give your living room a new look? Then you’ve come to the right place! Painting your walls can instantly transform a space, and this quick guide will show you how to get the job done right.

Learn the best tips for cleaning walls before painting so you can enjoy a beautiful, freshly painted room!


Gather Your Supplies

Before you begin the cleaning process, it’s important to gather all of the necessary supplies. This can include a multipurpose cleaner and a bucket for mixing, soft cloths for wiping down walls, sponges for spot cleaning, and a mop or broom with a dustpan. Be sure to get some drop cloths or heavy towels to protect any carpets or furniture that may be in the room. Also, make sure that you have safety goggles and rubber gloves to wear while handling chemicals and cleaning solutions.

Having all of your materials handy ahead of time will make the preparation process much easier:

  • Multipurpose cleaner and bucket for mixing
  • Soft cloths for wiping down walls
  • Sponges for spot cleaning
  • Mop or broom with a dustpan
  • Drop cloths or heavy towels
  • Safety goggles and rubber gloves

For more thorough and efficient cleaning, you can consider hiring our professional cleaners in Cheras that are equipped with the right tools to tackle the job.

Dust and Vacuum the Walls

Before you begin the cleaning process, first make sure the wall is safe to clean. Check for any wall decorations or electrical wiring that could be harmed by water. Dust and vacuum the walls to remove any cobwebs, scuff marks, pet hair, or other debris.

Run a damp cloth along all of the edges and in any corners where dirt tends to accumulate. Vacuum away all dust or debris created when cleaning with your damp cloth. Once you’ve vacuumed up everything, it’s important to dry the walls completely before attempting any type of wash or rinse with water.

Spot Clean Any Stains or Marks

Spot cleaning is an important step before painting walls to ensure a smooth finish. Start by inspecting the wall for any visible dirt, stains, or marks. Use a cloth or sponge dipped in a mild detergent solution to clean the affected area in a circular motion. If the wall has been painted with oil-based paint, use paint thinner.

For tougher stains such as scuff marks, grease spots, and patches of dirt and grime, you may need more than just soapy water – try using trisodium phosphate in your cleaning solution. Once any visible stains have been cleaned up, rinse the surface of the wall with clean water and allow it to dry completely before beginning to paint.

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Wash the Walls With a Mild Detergent Solution

Before starting a new painting project, it is recommended to thoroughly clean the walls to ensure the paint adheres properly. To effectively clean walls before painting, use a mild detergent solution and try not to scrub too hard. For the best results, use a sponge or soft cloth when washing surfaces.

When preparing to clean walls, use an acceptable type of mild detergent – check product labels for appropriate instructions before beginning any cleaning process. Make sure all surfaces are easily accessible and free from dirt and dust before starting the wall cleaning task.

When creating a mild detergent solution for cleaning walls before painting, mix some warm water with a few drops of mild dish soap or light laundry detergent into a large bucket or basin. It is important not to use harsh chemicals or strong abrasive scrubbing tools like steel wool as this could cause irreparable damage to the wall surface.

Gently dip your sponge into the solution and wring out excess water before lightly wiping down each wall section in small circular motions. Rinse your sponge after each pass with warm water and wring out once again before continuing with the next section of the wall until done.

Rinse and Dry the Walls

Before you begin cleaning the walls to prepare them for painting, make sure to use protective eyewear and gloves.

To clean dirt and grime from the walls, start by rinsing them with lukewarm water. This should help to remove some of the surface dirt. If there is still noticeable dust or residue on the walls after rinsing, use a mild soap solution of warm water and a few drops of dish detergent. Scrub in a circular motion with a soft-bristle brush or sponge to gently remove any remaining dirt or residue from the wall’s surface.

When complete, rinse off any soap with cool water until all visible suds are gone. Be sure to completely dry off the wall’s surface with a clean towel or cloth before allowing it to air dry completely for at least several hours before beginning painting preparation.

Sand and Patch Any Imperfections

Before painting newly constructed, sheetrock walls, it is important to sand and patch any imperfections. This may include nail holes and gouges in the walls as well as bumps that have been created over time due to excess water absorption.

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To sand down a wall, first, use low-grit sandpaper to start with. This will help to reduce large gaps and smooth out the wall’s surface. Then, use higher grits of sandpaper until you achieve a smooth finish. You may want to finish with a medium grit for the best results.

Once all imperfections are filled and sanded down, you will need to patch any remaining holes or cracks in the walls with spackling compound or joint compound. Allow this material to dry fully before beginning the painting process. If there is any excess spackling on the walls due to overfilling of gaps or cracks, you can lightly sand these areas until they are flush with the rest of the wall’s surface before proceeding with painting prep.

Protect Your Floor and Furniture

Before you begin any painting project, it’s important to remember to protect your floor and furniture. Lay down drop cloths or plastic sheeting to collect paint drips and spills. Do an extra job of taping the edges of these coverings around the walls, baseboards, and door frames. You can then move any furniture away from the walls which need painting or cover large pieces of furniture and appliances with large plastic sheets or painter’s canvas cloths.

If necessary, consider removing outlet covers before painting your walls. This allows you to paint behind the outlets so you don’t have bits of white showing through after replacing them.


When all of your walls have been properly prepared for painting, it is time to move on with the actual painting job. Double-check that all surfaces are clean and free of dirt and dust, and any debris has been removed. When you’re finished with the cleaning steps outlined in this guide, then you can move on to the painting stage with confidence.

Remember to check for any repairs that need to be made as well before painting such as cracks or water damage. And stay safe by wearing protective gear such as gloves and face masks while working; not only will you be protecting yourself from potentially harmful chemicals but also the paint fumes created during the job.