Determine whether cement or acrylic render was used on your concrete walls.
Painting a new concrete wall.
Use concrete or masonry paint not standard wall paint.
Allow this to dry for several.
You will need a paint that is.
Repair any cracks or blemishes in your wall with concrete patch.
This paint is thicker and designed to be used on stone and concrete.
Paint sprayer or brush.
Because masonry paint is so thick using an airbrush tool or a paint sprayer is not advisable.
Use a power rotary sander with heavy gauge paper on walls that.
Because concrete is porous it absorbs a lot of paint.
Painting interior concrete walls can add warmth to a basement at very little cost.
Choose paint for your project.
You can use a fresh coat of paint to bring new life to an old basement an exterior masonry wall brick or even a garage floor.
When you set out to paint concrete the process.
Patch gouged or otherwise damaged areas with concrete filler.
Painting a concrete wall can change a gray canvas into a colorful statement.
All it takes is time and some very careful preparation.
You will need to use a masonry paintbrush or a texture roller to apply the paint.
Unless you re an experienced painter you may want to purchase extra paint to account for more absorption than usual.
Apply a coat of sealer to the concrete rendered wall if the render is made of acrylic.
If the work history of the walls is.
But concrete is different from regular wall so specials tools and steps must be.
Using a solution of trisodium phosphate tsp and warm water clean the.
Select paint appropriate for your outdoor project.
You can test for moisture by taping a piece of.
Step 1 clean the surface as with most painting projects preparation is the biggest key to your success.
It usually takes at least 30 days for moisture to dissipate enough for paint to adhere.
For exterior projects use a power washer to rid the wall of all dirt and dust.
Both interior and exterior block surfaces require the same attention to details.
With proper preparation painting surfaces like these can be simple and the end result will be worth the effort.
Clean the concrete surface with tsp.