How long does concrete patch need to cure before painting?

Asked By: Georgiana Goode | Last Updated: 16th March, 2020
Category: hobbies and interests painting
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Merchant response: For best results, allow to dry and fully cure for at least 24 hours before moisture exposure or painting with an exterior latex paint. The patch material requires 7 days to dry and cure before painting with an oil-based paint.

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Similarly, you may ask, how long does cement need to cure before painting?

Allowing the new concrete to cure for at least 30 days can reduce the alkalinity and moisture content to levels low enough for the concrete to take paint. But it can take as long as 90 days before new concrete has cured enough for painting, depending on climate and weather.

One may also ask, how long does concrete need to cure before applying epoxy? A normal concrete mix must cure for at least 28 days before coating. We highly suggest 45 or more days of curing (depending upon weather conditions). Faster curing concrete can be used, but discuss it with Stronghold Floors staff first.

People also ask, can you paint concrete patch?

You can paint over Quikrete Vinyl Concrete Patcher. Quikrete Vinyl Concrete Patcher is available in two colors, gray and white, but also accepts latex and oil paints if you need the substance in another color. You must let the concrete patch dry completely before you sand it or apply paint.

What happens if you paint concrete before it cures?

Yes, typically paints require concrete to have dropped to a particular moisture level before painting - but that is only moderately related to the original question of when the concrete has cured. Concrete can be fully cured, and still have enough moisture to interfere with the application of most paints.

37 Related Question Answers Found

When should I start watering my concrete?

Be sure to start watering the concrete in the morning and keep watering throughout the hottest part of the day. Do not start watering during the hottest part of the day because it could shock the concrete into developing surface crazing (similar to a hot glass breaking when filled with cold water).

What is the best concrete paint?

View the Best Concrete Paint, Below.
  1. KILZ Over Armor Textured Concrete Paint.
  2. Coloredepoxies 10002 Epoxy Resin Coating Paint.
  3. Eco Advance EACON16CON Waterproofer.
  4. RUST-OLEUM 225359 Concrete Floor Paint.
  5. KILZ L377711 Exterior Concrete Paint.
  6. Drylok GAL BGE Paint.
  7. KILZ L378601 Decorative Concrete Paint.

Is it OK if it rains after pouring concrete?

Pouring Concrete vs Pouring Rain. If the rain occurs when the concrete is fresh (about 2-4 hours after mixing), the surface should be protected from the rain. If the finishing process was recently completed, rainwater may not cause damage as long as it is not worked into the surface and the slab is left untouched.

Should I seal concrete before painting?

For best results it's best to seal (and prime) the concrete before painting in your chosen colour. From your local DIY store or specialist paint shop, you should be able to get a good quality concrete sealer and a separate primer that's compatible with the sealer.

Can I drive on concrete after 3 days?

Your new concrete is designed to reach 90% of its full strength potential after 7 days, so feel free to drive your personal vehicle on it then. It will take additional time before you can drive or park heavy equipment or machinery on your newly poured concrete, so make sure to wait at least 30 days.

Is painting concrete a good idea?

A fresh coat of paint or stain can really spruce up concrete basement or garage walls and floors and bring new life to a worn concrete patio. Concrete paints and stains help to mask surface discoloration and signs of wear and tear and they extend the life of concrete by preventing further damage.

How do you get paint to stick to concrete?

ANSWER: Today's epoxy, polyurethane and acrylic paints wear much better than oil and alkyd paints on concrete. Before applying a water-resistant paint, clean and roughen the surface. Use a trisodium phosphate solution or strong detergent to scrub the floor.

How do you fill cracks in concrete before painting?


Allow to dry for several days.
  1. Sand and Vacuum the Floor. Sand off any old paint or any other uneven areas.
  2. Fill Cracks and Holes. If the surface of your floor is cracked or rough, mix concrete patch compound, following package directions.
  3. Apply Primer.
  4. Apply Epoxy Paint.
  5. Apply Masonry Sealer.

Is quikrete concrete repair paintable?

Concrete Repair. QUIKRETE® Concrete Repair (No. 8620-10) is a superior sanded acrylic latex formulation for crack repair in concrete, including concrete, stucco or masonry walls, sidewalks, patios and driveways.

What paint is for concrete?

Masonry paint (also called elastomeric paint or elastomeric wall coating) is a good choice for concrete painting because it contains binders that contract and expand with the concrete. Exterior house paint can crack and peel on concrete.

Should I etch concrete before patching?

For the best performance from a coating system, concrete must be clean and have a uniform open/porous surface before application. The surface must be etched until this is achieved. More than one etch may be required. The next steps include patching any holes or cracks before applying the epoxy.

How long before you can paint quikrete?

I want to paint a project built or repaired with QUIKRETE® products. In general we recommend that you wait about 7 days for latex paints and 28 days for oil based paints.

Can you paint concrete with acrylic paint?


While you can use typical acrylic paints on your concrete slabs, you'll need to keep in mind that most acrylic paints aren't made to take the abuse that a horizontal surface takes. When you do use typical acrylic paints on your concrete, you'll also need to purchase a sealer to help preserve the life of your paint.

Does vinegar etch concrete?

Vinegar: The Good, Bad and Downright Ugly Truth as a Cleaning Agent. EtchingVinegar's ability to dissolve CaCO3 will dull your marble, travertine, concrete and terrazzo surfaces. It may “clean” the surface but it is also dissolving pits into the finish and effectively dulling it.

Do I need to acid etch new concrete before epoxy?

Concrete floors require preparation before applying an epoxy coating system. The preparation usually involves cleaning the surface to remove oil and other unwanted contaminants and "profiling" the concrete by etching with acid or by mechanical abrasion (ie; shot-blasting or etching with a diamond grinder).