What kind of paint do you use on concrete block walls?

What kind of paint do you use on concrete block walls?

Painting. Purchase high-quality acrylic latex paint. Cinder blocks require a durable paint to hold up to wear and tear. Latex paint with acrylic will provide the best coverage and the smoothest application for both smooth and split-face cinder blocks.

How do you paint concrete block walls?

Paint the entire wall with a thin coat of a concrete sealer or concrete primer. Apply an even coat with a wide paintbrush. Allow it to dry for four hours or for the time indicated on the sealer label. Paint a thin coat of exterior latex masonry paint or exterior acrylic house paint onto the prepared cinder blocks.

Can you paint concrete block walls?

You can paint interior cinder block walls. The key to a successful cinder block paint job is applying proper sealant and primer. Whether the surface is in a basement or above ground, cinder block is as easy to paint as drywall once the surface has been sealed and primed to keep moisture out.

Can I paint over painted concrete walls?

Apply fresh paint or concrete stain to the wall. Concrete stain acts much like paint, dying the surface of the concrete a different shade. Paint or stain can be applied with standard rollers and paintbrushes. Use thin layers of paint or stain and do at least two layers.

What happens if you paint concrete without primer?

While priming a concrete surface seems like one more unnecessary step, it is actually a crucial part of your concrete painting project. Without the appropriate primer, you can expect a poor finish to your project, as well as peeling and cracking of the paint over time.

Can you paint straight onto 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. No matter how you apply paint, let it dry for a day between coats.

How long does paint last on concrete?

How long does concrete paint last? Most brands suggest that you apply a new coat every 3–5 years, depending on use. Some may last much longer if the area is protected from the elements or seldom tread upon.

Do you have to acid wash concrete before painting?

In most cases, special cleaning and/or etching of the concrete surface will be required before painting, and the appropriate cleaner (often TSP, trisodium phosphate) and etcher (usually a solution of muriatic acid) can be obtained. These chemicals, especially the etcher, must be used with care.

Does paint adhere 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. Test a small area to make sure the new paint will adhere.

What should I consider when painting a concrete wall?

Painting a concrete wall can spruce up an area or make it blend in with the rest of the area’s décor. However, there are some things to consider when painting a concrete wall. You must choose the appropriate type of concrete paint, determine if the wall is sealed from moisture and apply primer prior to painting the wall.

What’s the best way to paint a concrete block?

Use 3/4—1 inch for smooth block and 1-1/2 inch on split-face block. Apply a thick even coat and immediately use the roller to push the primer and finish paint into the pores of the concrete block. The goal is to produce a surface that is completely filled and sealed against moisture. This procedure works equally well on interior block surfaces.

How many coats of paint do you need to paint a wall?

If you are refreshing a wall with the same color of paint, one coat is all that’s necessary. If you are painting dark over light or light over a dark color that’s primed over, two coats are best to cover and smooth over any bare or thin spots.

How much primer to use on a block wall?

Smooth face concrete requires considerably less primer; typically you can cover about 200 square feet per gallon of block fill primer on a smooth face, and about half that amount on split face. Before painting, make sure to seal all cracks and gaps. Any area large enough to let water in, which is usually 1/16 inch or larger, should be caulked.