How To Paint A Concrete Porch – The RIGHT Way
In the past three summers, I painted 2 out of 3 of our concrete porches. The first one that I painted in 2019 was our large back porch.
Unfortunately, I didn’t do enough research ahead of time and I completely botched the project. Though the end result was beautiful, the road to get there was a huge mess with pivots and setbacks, and lessons learned along the way.
When I decided to paint the second porch in 2020, I was ready for redemption!
Now that we are sitting almost one year later, with zero issues from porch 2, I’m finally comfortable sharing the process.
Today I will be taking you through all of the correct steps that I took to get our side porch prepped and painted and beautiful THE FIRST TIME!
read before starting – this is important!
If you are thinking about painting a concrete porch, you will want to make sure that you prep properly! This project is extremely time-consuming because it involves a lot of little steps over multiple days. In order to do this correctly, you need to wait 24 hours in between each of these steps.
Clean The Concrete
The first thing you need to do should be fairly obvious, but you will need to clear everything off your porch! All of the furniture and decor needs to go. Once the porch is clear, it’s time to do a deep clean!
I did the deep clean as a three-step process with a PRESSURE WASHER.
I started with a basic spray to ensure all debris was washed away. Next, I went back over the concrete much closer for a more aggressive power wash. Finally, I went over the concrete porch a third time with a detergent that was designed to go into my pressure washer – you’ll want to use soap or degreaser here.
If your pressure washer is not designed to add cleaner, you can use SIMPLE GREEN and a hard bristle brush and scrub the concrete really well.
Etch The Concrete
After the deep clean, it’s time to etch the concrete.
For this step, I used a chemical called MURIATIC ACID. Muriatic acid seeps into the pores of the concrete to help fill in the pores so that the concrete does not suck up as much paint and allows the primer to stick to the concrete better.
Muriatic Acid is a very powerful chemical and needs to be used with extreme caution and with proper safety equipment.
I used splash-proof goggles, a mask, gloves, and rain boots to protect my skin. In order to apply the chemicals to the concrete, I used a basic sprayer (like the ones you find for spraying weed killer or insecticide in your yard).
It’s important to note that you NEVER want to mix water into the acid. Add water to the spray container first THEN add the acid.
Use only a plastic container to mix the water/acid together then stir with a wooden spoon. (DO NOT USE METAL)
To add the muriatic acid, follow the instructions on the bottle to add it to water in my plastic sprayer. Then sprayed it over the concrete patio and let it sit for 5-10 minutes. After the acid sits, rinse it off gently with water from a normal hose. No spray attachment needed.
Do I need to prime concrete before painting?
I started each day of this project by cleaning up debris from the porch that was collected overnight. I used a leaf blower, but you can also simply sweep away any debris with a clean broom.
When it comes to priming the concrete, there are a lot of options. A CONCRETE & MASONRY SPECIFIC PRIMER is typically the best.
Since I already had KILZ2 INTERIOR/EXTERIOR grade multi-purpose primer laying around my house I opted for that. This primer works for everything!
I used a small brush, to do a loose cut-in around the edges of the porch and then used a paint roller for the rest of the porch, working from the back of the porch towards the outside.
This may seem obvious, but be sure that you don’t paint yourself into a corner with no way to step off the porch!
After one coat of primer, you will want to let it dry and cure for 24 hours.
This particular primer gave amazing coverage on my porch. So much so that I skipped the second coat of primer and jumped right into the topcoat.
If your primer seems to have seeped into the concrete more than you expected or does not seem to be very evenly coated, consider another layer of primer and another 24 hours to cure.
What kind of paint do you use on a concrete porch?
Once again, you will want to start this step of the project by blowing off any debris from the porch (or use a clean broom to sweep debris away).
For my porch paint color, I am using PORCH AND PATIO FLOOR PAINT ENAMEL in the color Snowbound by Sherwin Williams.
To apply this first coat of color, use the same process as with the primer by first cutting in around the edges with a small brush and then using a paint roller to cover the full surface of the porch.
Once this base coat of color has been applied, you will want to wait another 24 hours to allow the paint to cure and completely dry.
Repeat this step the following day.
Can you stencil a concrete porch?
Absolutely! It adds a little something extra and is a fairly easy process. All you need is a stencil, painter’s tape, and a foam roller!
I wanted to add an extra pop to my painted concrete porch, so I decided to use a stencil from Cutting Edge Stencils to apply a tile pattern.
I have worked with Cutting Edge Stencils on several other projects in my home, but I’ve never used a tile stencil before. I was excited to try something new!
Using Frog Tape and a measuring tape, I taped off the center of my porch and then placed the stencil directly over the middle of that center spot.
Next, I added Frog Tape on each of the top corners of the stencil to make sure that it didn’t move when painting. This allowed me to stay on the center point of the porch when I start painting.
It’s important to use light pressure and a minimal amount of paint when stenciling to avoid bleed through. However, because of the nature of concrete, some bleed through is to be expected.
If you decide to add this step this is the best time to embrace all of the little imperfections that will inevitably happen along the way. Consider it character!
When one area has been stenciled, pick up the stencil and place it next to the area that you have already painted and repeat the process.
Stencil Color: Sherwin Williams Silver Strand
In the 11th hour of the project, I decided to add one more feature: a dark border around the porch to give the appearance of a faux rug!
I did this by using FROGTAPE to create the border, then painting over the edge with the base color to seal the tape.
Once the base color had time to cure, I went around the stencil with the new color.
Border color: Sherwin Williams Still Water
DO I NEED TO SEAL A CONCRETE PORCH AFTER PAINTING?
Some say yes and some say no. I have painted two concrete porches at my house and one is sealed and the other is not. Both porches have held up great over time and I honestly I only see one pro/con difference between them.
The pro to sealing is that it is slightly easier to clean dirt and stains. Without the extra layer of protection cleaning takes a little more elbow grease but it’s not impossible.
The con to sealing is that it makes the porch slightly more slippery when wet. Not a huge deal for me personally because my porches are (mostly) covered but definitely something to keep in mind if your concrete is more exposed.
If your porch is in an uncovered area where it will be exposed to all of the elements I would suggest to err on the side of caution and seal the porch. Otherwise, the choice is completely up to you!
On the porch that I did seal, I used CONCRETE & MASONRY PROTECTOR & WATERPROOFER by BEHR.
Whether you seal or not, I would recommend waiting 48-72 hours after the last treatment before bringing furniture/decor back on the newly painted surface.
I’m so happy with how this porch turned out! It has so much personality and the best part is that I took the time to DO IT RIGHT!
The porch ONE YEAR LATER
If this painted concrete porch project has inspired you, I would love to hear about it! Make sure to follow along on INSTAGRAM for more project ideas with a unique twist.
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