If the wall you are staining is inside i would suggest using our concrete stain prep and giving the wall a through scrubbing with a stiff straw brush.
Staining exterior concrete walls.
At concrete stains we categorize concrete stains and discolorations into diagnostic groups and we also discuss the causes of concrete stains or discoloration and methods for removing concrete stains.
Sanding will remove any protective coatings and help even out the surface.
The permeable surface of concrete absorbs staining agents so water and scrubbing alone won t work all the dirt out of the porous concrete.
If you plan to stain a concrete driveway patio or other outdoor surface just make sure to check that the concrete stain you use is suitable for exterior applications.
That article also describes products for deliberate coloring or staining of concrete floors walls or ceilings.
Sand the concrete wall using an electric sander or grinder and fine sandpaper.
Julie was able to completely cover the white concrete with our deco gel acid stains and achieve a beautifully stained concrete retaining wall.
Once the wall has completely dried you are ready for the next step of staining concrete walls.
Wash away any dust created from sanding.
Because they penetrate the concrete surface most acid and water based stains have excellent uv stability and wear resistance permitting you to use them on both interior and exterior concrete slabs see the types of concrete stains and how they work.
Deco gel is the perfect choice for vertical surfaces like retaining walls.