If there is old paint already on the concrete use a wire brush to strip it all off.
How to repaint concrete walls.
Next use a chemical concrete cleaner to clean your wall and remove dirt and dust.
Because concrete is porous it absorbs a lot of paint.
Unless you re an experienced painter you may want to purchase extra paint to account for more absorption than usual.
Allow the paint to dry for about five days.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
Start by painting the edges of the concrete surface.
Concrete can be made to look interesting and beautiful by applying a few coats of paint.
In other words don t paint.
When selecting a paint remember that there are masonry paints that are designed to reduce.
Surface preparation for old painted walls is a little different from new concrete because previously painted concrete surfaces can have an existing problem that needs to be treated first.
Masonry paint 20 per gallon can be tinted and is much thicker than exterior paint.
How to repaint concrete floors.
Step 5 painting prepared concrete surface.
Concrete paint can be purchased in either latex or oil based epoxy enamel.
Interior and exterior concrete surfaces do not have to remain a flat boring shade of gray.
If you re painting a concrete floor remember to start on the far side of the room so you end up finishing near a doorway or another convenient stepping off point.
Allow the first coat of paint to dry for about 10 hours.
Use a bigger paintbrush for this.
Painting interior concrete walls can add warmth to a basement at very little cost.
Apply the second coat after the interval.
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.
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.
How to paint concrete.
However there are some things to consider when painting a concrete wall.
As a general step you must always observe the condition of the surface that needs repainting.
Doing the prep work before you repaint a concrete floor avoids a peeling paint job later.
It is possible to get a beautiful coat of paint on your concrete wall but you ll have to do a little more work to make it happen.