Readers ask: How To Paint A Concrete Wall?

What kind of paint do you use on concrete walls?

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.

Do I need to prime concrete before painting?

Generally speaking, priming is so essential to successful painting outcomes, concrete will always needs a primer. However, the existing surface needs to be primed before painting if: It is unpainted. It is peeling.

How do you seal a concrete wall before painting?

Seal the Concrete



Use a masonry or concrete sealant to seal the wall. You’ll paint this sealant onto the concrete in long, even strokes. Get complete coverage and make sure your sealer is completely dry before moving on to the next step. You may need to wait several days.

How many coats of paint do I need for a concrete wall?

Most projects will require two to three coats of concrete paint. Remember your goal is a smooth, clean finish without any visible streaks.

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Can you paint concrete with acrylic paint?

Acrylic latex paint is a water-based product that mixes and spreads easily on masonry surfaces. You can use it to paint floors, walls, steps, or any other concrete or block surface. It doesn’t take any special tools, brushes, or rollers; it’s a very straightforward DIY product.

Can I paint over painted concrete walls?

Allow the concrete surface to dry. Existing paint needs to be scraped and sanded. Scrape any areas with loose or flaking paint, and lightly sand using fine (120 grit) sandpaper. Lightly sand intact areas of paint as well to give them the grit needed to receive new paint.

How do you get paint to stick to concrete?

Use a trisodium phosphate solution or strong detergent to scrub the floor. Sanding with coarse emery paper may be required to give the old surface a rough texture for good paint bonding. Test a small area to make sure the new paint will adhere.

What is the best concrete paint?

The 7 top concrete paints for any project

  • Best overall: Rust-Oleum Decorative Concrete Coating.
  • Best for your budget: Kilz Decorative Concrete Coating.
  • Most weather resistant: In The Swim Patio And Deck.
  • Best for your driveway: Rust-Oleum EpoxyShield Professional Floor Coating Kit.
  • Best for your porch: INSL-X Sure Step.

What is the best waterproofing paint for concrete?

KILZ® Basement & Masonry Waterproofing Paint is a premium, interior/exterior waterproofing paint designed for porous concrete and masonry surfaces.

Is it OK to paint concrete basement walls?

DO NOT PAINT YOUR WALLS, even with Drylok or waterproofing paint. Concrete does not support fungal (mold) growth. Also, do not attach insulation directly to the foundation walls. It behaves as a moisture trap and can also hide structural problems and cracks in the foundation.

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How do you paint interior concrete walls?

How to Paint Concrete

  1. STEP 1: Patch gouged or otherwise damaged areas with concrete filler.
  2. STEP 2: Clean the concrete surface with TSP.
  3. STEP 3: Let the surface dry thoroughly before you begin to paint the concrete.
  4. STEP 4: Brush paint onto the perimeter of the concrete.
  5. STEP 5: Roll on more paint to cover the interior.

Is it a good idea to paint concrete?

Advantages to Painting Concrete



Painted concrete certainly has its advantages. A fresh coat of paint or stain can really spruce up concrete basement or garage walls and floors, bringing new life to a worn concrete patio. Coating a concrete surface with paint can also make for easier cleaning and maintenance.

Can you paint concrete with Kilz?

KILZ® Bonding Primer. KILZ® Concrete & Masonry Bonding Primer is specially formulated to optimize the adhesion of masonry coatings. It can be used on uncoated interior/exterior surfaces such as: concrete, masonry, stucco, cinder block and any porous stone or brick. Do not use on coated surfaces.

How do you apply concrete primer to a wall?

Applying a wall primer on a dirty and uneven surface will reduce the final impact of the primer. Just like how you would paint a wall, apply a wall primer from the ceiling and work your way down. Apply one or two coats of wall primer, depending on the colour and surface of the wall you are priming.

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