9 Things You Should Know Before Painting A Wall

Painting a wall is an easy way to change the look of your home. When you paint a wall, it isn’t just about painting it; there are plenty of other steps you should consider and preparations before you even get to that first coat of paint.

This guide will help walk you through some of the most important considerations when you plan to paint your wall, such as whether or not to prime the wall, what type of paint to use, and how to prepare the space so your project goes smoothly, and your wall looks great. So, read on to learn how to prepare your walls for paint.

Clean Walls

If you want to make sure your walls are ready for paint, start by cleaning them. You should remove dirt, dust, or other debris from the surface that could affect the adhesion of the paint.

For example, if you have wallpaper, tape off the edges of the paper. Then use a damp cloth to remove any excess grime.

It’s always best to prep your walls before painting them. This means making sure they’re clean, smooth, and dry.

If you don’t let the wall dry completely between coats, the paint won’t adhere properly and will start to peel. So, be patient and let it dry right.

Remove Stains

Before you get started, remove anything from the surface that could affect the quality of the paint job. Stains on the wall can be caused by many things, including water damage, rust, grease, and ink. To remove these stains, you will need to use a cleaner specifically designed for the type of stain you are dealing with.

  1. Start by removing any existing stains on the wall. You can do this by lightly sanding the area and then wiping it down with a damp cloth.
  2. If you have mold or mildew stains, use a solution of 1 cup bleach per gallon of water to clean them.
  3. If there are holes or cracks in the wall, now is the time to fill them in. It will help create a smooth surface for painting.

Follow the directions on the cleaner carefully and always test it on an inconspicuous area first. Once the stain is gone, you can start painting.

Prime Walls

Before you start, prime the wall’s surface with a coat of primer. Primer seals the wall and prevents moisture from penetrating the surface. Next, apply two coats of latex paint. After 24 hours, apply the second coat. Apply three coats if you want to use semi-gloss or high gloss paint. Allow each coat of paint to dry completely before applying the next one.

Next, apply a coat of primer to the entire wall. It will help prevent the wall from absorbing too much moisture and cracking when you use the final coat of paint.

If you’re painting over a dark color, you’ll need to prime the walls first. It will help ensure that your new paint color goes on evenly. To avoid lap marks, roll the primer on in small sections and back move those sections. It will help smooth out any brush strokes.

Sand Down Walls

After applying the primer, use fine grit sandpaper to remove any rough spots or imperfections. Before you get started, you should sand down the walls. You’ll have brushstrokes that won’t match perfectly if you don’t. Use fine grit sandpaper (400 or 600) for sanding down walls and work from top to bottom. When you’re finished, wipe off the dust using a clean rag.

Choose Your Paint Wisely

When it comes to painting a wall, the first step is choosing the right paint. It can be tricky, as many different paint types and finishes can choose from. Do some research beforehand and talk to a professional at your local hardware store to find the best type of paint for your project.

Your paint project will go much smoother if you take the time to choose your paint wisely. Consider the following factors:

  • The type of paint you need (latex, oil-based, etc.)
  • The paint color
  • The paint finish (glossy, flat, etc.)
  • Which brand to choose like Benjamin Moore, kilz, etc.
  • How much paint you’ll need

Paint Supplies and Type of Paint

09 Things You Should Know Before Painting A Wall

You’ll need more than just a can of paint and a brush to paint a wall. You’ll also need painter’s tape, drop cloths, a ladder (if the wall is high), and sandpaper. Plus, you’ll need to decide on the type of paint you want to use.

Water-based latex paint is the most popular type for walls because it’s easy to clean and doesn’t require any special preparation. However, oil-based paints are also an option if you’re looking for something that will last longer. Eggshell, semi-gloss, and high gloss are all popular choices. Eggshell is smooth but not shiny; it doesn’t hide imperfections as well as other types of paint. Semi-gloss has a bit more shine but still isn’t glossy like high gloss. The high gloss has plenty of shine and hides imperfections well. It takes longer to dry, so it’s best for indoor projects rather than outdoor ones.

When choosing paint, read the labels carefully to know what you’re getting. Avoid buying paint in cans or buckets as they tend to dry out quickly and can be challenging to store.

Cover With Tarps

If you’re painting a wall in your home, you’ll want to take some precautions to avoid making a mess. Covering the floor with tarps is an essential first step. You’ll also want to tape off any moldings or trims so that you don’t accidentally paint them. And finally, be sure to fill any holes or cracks in the wall before you start painting. When it comes time to paint, use a sprayer and make sure to cover up all of the windows.

Keep An Eye on Weather Updates

The weather is one of the most important things to remember before painting a wall. If it’s too hot or too cold, the paint won’t adhere properly and can even start to peel. Keep an eye on weather reports in the days leading up to your planned painting project and reschedule if necessary. You also don’t want to paint in direct sunlight, which can cause the paint to blister and peel. Try to find a day with mild weather and low humidity for painting.

Paint Walls

Once you’ve gone through all the above steps about painting a wall, it’s time to start painting. Start with the most significant area, then move down to smaller spaces. Don’t forget to leave a few inches around each edge of the room.


What Do I Need To Do Before I Paint My Walls?

You’ll want to ensure your wall surface is in good condition before you start painting. To do this, you’ll need to do some patching and sanding. Once your wall is smooth, you can then proceed to paint.

Do Painters Clean Interior Walls Before Painting?

Yes, some do. For example, if you have water-based paint in your house with paint splatters on the walls from previous projects or kids’ art projects which can easily be removed with water, then yes, your painter will likely clean them before starting work on your new paint project. If not, they may still do it but only at an additional cost since it’s more labor intensive. So make sure to ask upfront.

What Happens If You Don’t Sand Before Painting?

If you don’t sand before painting, the paint will have difficulty sticking to the wall and may even peel off. Plus, without sanding, you won’t be able to create a smooth surface. And if you’re not careful, the paint color can also become darker than you intended. So, taking the time to sand before starting your paint project is essential.


So, before you tackle your next paint project, be sure to keep these things in mind. With some planning (and maybe a test patch), you can avoid potential pitfalls and choose the perfect paint color for your space. We hope you will find this paint guide helpful before painting your wall, room, and house paint color.