Make sure to apply 2 coats to achieve the highest durability.
Painting new concrete block wall.
Project summary use patching compound to fill any holes scratches or gouges in the concrete surface.
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.
A suitable spray pattern is the 15 degree tip held 12 inches from the surface.
Painting your concrete basement walls not only helps protect your basement against mold water bacteria and mildew but also adds to the look of your basement especially if you use it as a work or rec room.
Clean the concrete thoroughly with trisodium phosphate tsp and warm water then let dry.
If there is no condensation the concrete is dry enough for painting.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
The first step when preparing concrete block walls is pressure washing.
Paint the entire wall with a thin coat of a concrete sealer or concrete primer.
High alkaline levels also can stop paint from sticking to the concrete.
Use a commercial style pressure washer and at least 2500 psi.
Paint should be applied in at least 3 thin layers.
Paint with a sheen or gloss will be easier to maintain for example.
Like the first coat you ll want this to be as even as possible.
Apply the paint to the concrete block with an airless sprayer and then immediately back roll it working in sections along the length of your wall.
During the preparation pay attention to any loose mortar and large cracks.
Adding a smooth coat of seal krete damplock masonry and waterproofing paint can raise the visual appeal of the uninspired space.
Allow to dry for 24 hours.
The type of paint you select for interior concrete walls will depend upon the use of the room as well as its décor.
For hard to reach or tight places you can use a brush but your brush strokes may be visible on smooth cinder blocks.
Apply an even coat with a wide paintbrush.
The paint may be sprayed on rolled on or painted on with a brush.
Exterior house paint can crack and peel on concrete.
Any remaining loose paint will need to be removed manually.
Allow it to dry for four hours or for the time indicated on the sealer.
A plain gray cinder block wall can be a wide expanse of bland.
It can take your concrete walls from gray to grand with a quick drying coat.
It can take anywhere from 30 to 90 days for alkaline.
The paint should not be streaky or show brush strokes.