FAQ: How To Paint Exterior Cinder Block Wall?

What is the best paint for exterior cinder block walls?

Once again, elastomeric paint is the best type of paint to use for exterior concrete walls, though a premium 100% acrylic paint will also get the job done nicely.

How do you finish a cinder block exterior wall?

The simplest way to cover a cinder block wall is by using surface bonding cement to create a concrete finish. Concrete helps insulate the building and keep moisture out. It creates a smooth, finished surface you can leave as is or paint.

What kind of paint do you use on cinder block basement walls?

Paint your concrete walls with masonry paint. According to Reliable Builder, masonry paint is specifically designed for good adhesion, durability and breathability. Apply paint with a sprayer, roller or brush in even strokes. Paint should be about 1/8 inch thick to ensure waterproofing.

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Do you have to Prime cinder block before painting?

Unpainted concrete block needs to be primed before the application of the finish paint. The main function of the primer is to fill the pores and neutralize the high P.H. The best primer designed for this purpose is Acrylic Block Fill.

Can you paint exterior cinder blocks?

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. If the paint will be on exterior blocks, select a paint that is also weatherproof to prevent damage from the elements.

Can you put drywall over cinder block?

Drywall is one solution. Attaching drywall directly to block is looking for trouble; it will eventually mildew, mold and ruin. The professional way to install drywall in these situations is to create a wood frame, of either 2-by-4 studs or thinner furring strips, and then hang the drywall.

How do you make a cinder block wall look good?

Faux Finish you can make that ugly cinder block wall look like cut, fitted stone or brick. Cut stone is simplest look to achieve because you follow the existing grout lines. For the brick look, youll need to fake some additional grout because bricks are smaller than cinder blocks.

How do you insulate a cinder block wall?

The simplest and most affordable method of insulating the interior of a block wall is to install rigid foam board insulation. Available in large, three-by-five or four-by-eight sizes, the panels are lightweight and held in place with special foam-safe glue.

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Does cinder block need to be sealed?

Applying a Concrete Sealer is Important



Sealing cinder blocks will extend their life by protecting them against water, the main enemy of concrete.

Should I paint my cinder block wall?

By painting the walls or foundation, you increase the appeal of the space, but also it improves the moisture control from the wall. Concrete is a porous material that can absorb water from the ground and transfer through the foundation. By using a waterproofing paint, you control some of this transfer from happening.

Is Drylock good for basement walls?

DO NOT PAINT YOUR WALLS, even with Drylok or waterproofing paint. 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. Bottom line: basement walls need to breathe too.

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.

Does concrete need to be sealed before painting?

If you are painting interior concrete it is vital to seal the concrete. This will prevent moisture from seeping in underneath the paint and causing mold. Use a masonry sealer and follow the manufacturer’s directions on how many layers to apply and when.

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.

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