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How to prep Walls for Painting – Step by Step

How to prep Walls for painting

Before you can start painting a room, there are a few preparatory steps you need to take in order to ensure that the paint job will look its best. In this article, we’ll walk you through the process of prepping walls for painting, step by step. By the time you’re finished, you’ll be ready to tackle that painting project with confidence!

Gather your supplies

You’ll need a few supplies before you get started preparing your walls for painting. First, you’ll need a dust mask to protect your lungs from the dust created by sanding. You’ll also need a sanding block or electric sander, painter’s tape, a drop cloth, and a vacuum cleaner with a brush attachment.

Once you have your supplies gathered, you’re ready to begin prepping your walls for painting!

Prepare the room

It’s important to take the time to properly prep a room before painting. This will ensure that your paint job looks its best and lasts for years to come. Here are a few tips on how to prep your walls for painting:

1. Remove all wall hangings and switch plates. This will give you a clean surface to work with and prevent paint from getting on these items.

2. Wash the walls with a mild detergent. This will remove any dirt or dust that could impact the quality of your paint job.

3. Fill any holes or cracks with spackling compound. If you don’t do this, the paint will not adhere properly and you’ll end up with an uneven finish.

4. Prime the walls with a primer designed for use on fresh drywall or previously painted surfaces. This will help the paint to better adhere to the walls and create a smooth finish.

Clean the walls

Start by giving the walls a thorough cleaning. This will remove any dirt, grease, or other contaminants that could prevent the paint from adhering properly. You can use a sponge and warm water, or a cleaner specifically designed for prepping walls for painting. If your walls are particularly dirty, you may need to scrub them with a stiff brush before cleaning.

Once the walls are clean, you’ll need to remove any loose paint or wallpaper. Use a putty knife or scraper to carefully remove any flaking or peeling paint. If you’re removing wallpaper, be sure to score it first so that it’s easy to remove in large strips.

With the walls clean and free of old paint or wallpaper, you’re ready to start prepping them for painting!

Repair any holes or cracks

Before you can begin painting your walls, you’ll need to do some prep work. This includes repairing any holes or cracks in the walls. You can use a putty knife and spackle to fill in small holes, and caulk to seal up any cracks. Once the repair work is done, you’ll be ready to start painting! 

If you have any holes or cracks in your walls, it’s important to repair them before prepping the walls for painting. This will help create a smooth surface and prevent any issues with the paint job later on.

To repair holes or cracks, simply fill them in with spackle or caulk and then sand the area smooth. Once that’s done, you’re ready to prep your walls for painting!

Prime the walls

Painting. It is best to use a good quality primer prior to painting. This will help ensure that your paint job turns out evenly and smoothly. You can purchase primer at any hardware store. Be sure to follow the instructions on the can for best results. 

It’s important to prime the walls before you start painting them. This will help the paint to adhere better and will also help to create a more even finish. You can use any type of primer, but we recommend using a water-based primer for best results.


You know you want to paint your walls, but where do you start? This guide will walk you through the steps of prepping your walls for painting, so you can get the job done quickly and efficiently.

1. Start by giving your walls a good cleaning. This will remove any dirt or debris that could interfere with the paint adhering properly. You can use a sponge and mild detergent, or opt for a more powerful cleaner if your walls are particularly dirty.

2. Once your walls are clean, it’s time to repair any damage. Fill any holes or cracks with spackling compound, and sand down any rough spots. This will create a smooth surface for the paint to adhere to.

3. Next, apply a primer to the walls. This will help the paint to better adhere and give you a more even finish. Be sure to let the primer dry completely before moving on to painting.

4. Now you’re ready to start painting! Begin by painting the trim first, then move on to painting the walls themselves. Be sure to use painter’s tape along the trim so you don’t accidentally paint over it.

5. Once you’ve finished painting, remove the painter.