what is the prep work to paint concrete that previously used an oil based paint

Download Article

Download Commodity

Interior and exterior concrete surfaces do non have to remain a apartment, boring shade of gray. Physical tin can exist made to look interesting and beautiful by applying a few coats of paint. Painting concrete is a elementary and inexpensive job that can be completed past most homeowners. In lodge to successfully pigment concrete or other masonry surfaces you must clean and prep the area properly, employ an appropriate paint, and allow adequate time for the paint to cure.

1. 1

   Clean the physical surface with soap and warm h2o, removing any old paint. Starting time, sweep abroad any surface leaves, debris, and dirt.^[one] Then remove any existing paint or gunk using a ability washer or scraper and wire castor. Scrub away any dirt, crud, or gunk that is stuck to the concrete. You practice non accept to worry near stains, all the same, if they are gear up in and not some sort of object stuck onto the surface.

   • Yank off any vines, moss, or other found life roofing the physical.
   • Y'all want the surface to exist as clean and bare as possible for the best coating of paint afterwards on.^[2]

2. 2

   Remove dense areas of oil or grease with tri-sodium phosphate (TSP) to ensure that the pigment doesn't discolor later on. TSP can be purchased at near major home improvement stores. Merely mix information technology with water in the ratio illustrated on the packaging and wash away any oil stains, rinsing the cleaner off when y'all're done. Allow the physical surface to dry completely earlier proceeding with the side by side steps.^[3]

   Advertisement

3. 3

   Employ physical patch to fix any major defects such as cracks, gouges, or uneven surfaces. You want the concrete to be as smoothen and regular as possible. Any breaks and cracks are places where moisture could potentially get under the paint, peeling information technology off your surface later on. Read the manufacturer's instructions to confirm proper drying time for the patch.^[4]

4. iv

   Seal any indoor concrete to prevent wet from coming through the cement. Concrete sealant is expensive, but it is the best way to ensure that you don't ruin your paint chore soon after applying it. Concrete is very porous, which means trapped moisture in the concrete could rise and ruin the pigment. Follow the sealant manufacturer'south instructions for the proper preparation and awarding of the production.

   • This is non as necessary if you are painting outdoor concrete.^[five]

   Advertizing

1. 1

   Check the weather forecast to ensure yous have 2-3 dry days in a row earlier painting outdoor physical. You lot'll need to give the paint aplenty time to dry in between each coat. Dissimilar paints will accept their ain, specific drying times so always check the manufacturer's instructions. Do some homework, and but tackle this projection when the weather is correct for it.^[6]

   • In some cases, paint tin can take up to 24 hours to dry completely. That is why it's important to give yourself ample fourth dimension to complete the painting process.

2. 2

   Apply 1 layer of physical paint primer with a paint roller. Earlier calculation your color, yous need to utilise primer to ensure that the paint will stick.^[7] Apply a primer to the physical to ensure potent adhesion of the paint. Over again, follow the manufacturer'due south instructions to confirm the necessary application and drying time.

   • If you are painting over an old color, or you are working outdoors, yous may have amend results with 2 coats of primer. Be sure to permit the first coat dry fully before applying the second.^[8]

3. 3

   Buy the right paint for the correct concrete. ^[9] Your best bet, when working with concrete, is to employ masonry paint, which is formulated to contract and expand as concrete changes temperature. Information technology is sometimes sold every bit elastomeric pigment or elastomeric wall coating. Since information technology is much thicker than regular paint, you demand to be sure to use a high-chapters roller or brush.^[10]

4. 4

   Employ a sparse, fifty-fifty coat of paint using a pigment roller. Showtime in i of the corners, or at the top of you are painting a wall, and work slowly and evenly across the entire surface. Y'all don't need as much paint as you lot think in each layer -- yous'll exist calculation 1-2 more layers once the first is done drying, so don't try and slather it all on now.^[11]

5. 5

   Render the next afternoon and apply a second coat of paint. One time the paint has dried overnight yous tin can layer on some other glaze. You lot should add at least 1 more than coat of paint, thinly, merely you could add a third also for a deeper colour and a more than fifty-fifty blanket.

6. vi

   Allow the paint dry for 1-2 days before stepping on or placing anything on the physical. Dry the final glaze of paint for at least 24 hours before moving items onto or almost the newly painted concrete to ensure a shine, professional appearance.^[12]

   Advertisement

Add New Question

• Question

  How do y'all prepare concrete for painting?

  

  Andre Kazimierski is a Painting Specialist and the Founder and CEO of Improovy, an on-demand house painting service startup. With more than 15 years of experience, Andre and the Improovy squad utilize data and applied science to streamline the dwelling improvement process for homeowners and painting contractors. Andre started in the painting industry as a sophomore at Depaul Academy in Chicago, working with one of the nation'south largest painting companies to launch new cities and territories beyond the Midwest. Years later, he started 3rd Gen Painting and Remodeling and had a successful exit after growing the visitor to two different states.

  

  Painting Specialist

  Proficient Answer

  Honestly, a really good masonry primer volition set the tone to take any top glaze necessary for your painting chore!

• Question

  Can yous pigment direct onto concrete?

  

  Andre Kazimierski is a Painting Specialist and the Founder and CEO of Improovy, an on-demand house painting service startup. With more than fifteen years of experience, Andre and the Improovy team utilize data and technology to streamline the abode improvement process for homeowners and painting contractors. Andre started in the painting industry as a sophomore at Depaul Academy in Chicago, working with ane of the nation's largest painting companies to launch new cities and territories across the Midwest. Years afterwards, he started third Gen Painting and Remodeling and had a successful get out later growing the company to two different states.

  

  Painting Specialist

  Expert Respond

  Not really! Since concrete is porous, you'll need to add a primer kickoff. Likewise, y'all have to sentinel the pH level — if it's new concrete, it needs to historic period well-nigh 30 days before yous tin paint.

• Question

  Can I paint over limestone?

  

  Marking Spelman is a General Contractor based in Austin, Texas. With over thirty years of construction feel, Mark specializes in constructing interiors, projection management, and project estimation. He has been a structure professional since 1987.

  

  Construction Professional

  Skillful Answer

  First, make sure the rock is make clean and dry. Then you will need to apply a good bonding primer and then utilise a hybrid enamel for the final pigment. Apply two coats; exist certain and give a total twenty-four hours to dry betwixt coats.

• Question

  What paint should be used on a painted and sealed piece of concrete?

  

  Marker Spelman is a General Contractor based in Austin, Texas. With over thirty years of structure experience, Mark specializes in amalgam interiors, project direction, and project estimation. He has been a structure professional since 1987.

  

  Construction Professional

  Expert Answer

  If the concrete is getting walked or driven on, you will want to utilize an epoxy-based paint. If it's a concrete wall, you lot can use a multi-surface hybrid enamel.

• Question

  How many days subsequently etching concrete can I pigment?

  

  Mark Spelman is a Full general Contractor based in Austin, Texas. With over xxx years of construction feel, Mark specializes in constructing interiors, project direction, and projection interpretation. He has been a construction professional person since 1987.

  

  Construction Professional person

  Adept Answer

  You can generally paint the concrete the twenty-four hour period later etching, information technology is always recommended to read the manufacturer'southward instructions.

• Question

  How do I paint an one-time interior cement chimney breast later I have taken of the one-time wallpaper?

  

  Marking Spelman is a General Contractor based in Austin, Texas. With over thirty years of structure experience, Mark specializes in constructing interiors, project direction, and project estimation. He has been a construction professional since 1987.

  

  Construction Professional person

  Skillful Answer

  You want to brand sure the wallpaper is completely cleaned upwardly and if the wall has to be repaired. The cement volition have to be sealed with a good primer before applying last paints.

• Question

  Can I use a spray gun when painting concrete?

  

  Mark Spelman is a General Contractor based in Austin, Texas. With over 30 years of structure experience, Marker specializes in constructing interiors, projection management, and project estimation. He has been a construction professional since 1987.

  

  Construction Professional

  Expert Answer

  Yes, you can employ a spray gun to utilize paint to the concrete. If the paints are an epoxy-based, you will desire to castor and gyre.

• Question

  My outdoor concrete structure seems to have a lot of moisture in information technology. How should I prepare it for paint?

  

  Marking Spelman is a General Contractor based in Austin, Texas. With over thirty years of construction experience, Mark specializes in constructing interiors, projection management, and projection estimation. He has been a structure professional person since 1987.

  

  Structure Professional

  Proficient Answer

  You volition want to cheque the structure with a moisture meter to determine if its dry out. The structure needs to be completely dry out before the painting process can begin. Y'all will begin by applying a skilful bonding primer.

• Question

  Is it safe to pigment mildewed concrete afterward removing the mildew?

  

  Mark Spelman is a Full general Contractor based in Austin, Texas. With over 30 years of structure experience, Marking specializes in constructing interiors, project direction, and project estimation. He has been a construction professional since 1987.

  

  Construction Professional person

  Expert Answer

  Yeah, equally long every bit the concrete is completely dry you lot can brainstorm the painting process. You can check the wet with a meter or be sure and monitor a good week of warm conditions.

• Question

  How do I get rid of a physical smell?

  

  Marking Spelman is a General Contractor based in Austin, Texas. With over 30 years of structure experience, Mark specializes in amalgam interiors, projection management, and project estimation. He has been a construction professional since 1987.

  

  Construction Professional

  Expert Reply

  Y'all can utilise a industrial-grade physical cleaner with a coarse scrub castor. So utilize a mop with some balmy soaps and mop a few times.

Show more answers

Inquire a Question

200 characters left

Include your email address to get a bulletin when this question is answered.

Submit

Ad

• Several thin coats of concrete paint will class a harder surface than one thick coat, which can issue in a gummy surface.

• Painting concrete is normally only considered when it is required to cover an existing slab. Fresh concrete should non be painted until it has cured for at to the lowest degree 28 days.

Advertisement

• If painting a concrete flooring, use a floor texture additive that tin can be stirred right into the paint to prevent falls.

• Accept necessary condom precautions when using tri-sodium phosphate, as it can cause injury to your optics, lungs, and skin.

Advertisement

Things Yous'll Need

• Power washer
• Scraper
• Wire castor
• Paintbrush
• Pigment tray
• Paint rollers
• Rags
• Tri-sodium phosphate
• Concrete patch
• Concrete sealant
• Concrete primer
• Concrete paint

Near This Article

Article Summary X

To paint concrete, kickoff by cleaning it with soap and water and repairing any cracks or uneven surfaces. If you're painting indoor concrete, you'll also desire to utilize a concrete sealant so moisture doesn't mess up your paint chore. In one case yous're washed with that, apply a layer of concrete paint primer with a roller and let it dry. And then, apply 2 fifty-fifty coats of masonry paint using the roller, letting the paint dry for 24 hours after each coat. To learn how to remove grease and oil from the concrete before you pigment it, go along reading!

Did this summary help y'all?

Thank you to all authors for creating a page that has been read 676,968 times.

Did this article aid you?

ellsworthfichn1955.blogspot.com

Source: https://www.wikihow.com/Paint-Concrete

Share this post