If the concrete blocks are outdoors a pressure washer will thoroughly clean the dirt and grime that can cling to the uneven and gritty surface.
How to stain concrete block retaining wall.
Step 2 etch the concrete.
She decided that gel acid staining concrete retaining wall would be for the better.
If anything is on the surface of the concrete retaining.
Prep the concrete wall for staining.
Step 1 clean the concrete.
With proper care and maintenance the stained and sealed concrete should last years.
The solution will neutralize the stain.
Cover areas you don t want stained.
Dissolve a solution of two cups baking soda to one gallon of water and pour over the stained wall.
To avoid drips in the stain or blotchiness apply multiple light coats.
Spray only until the concrete begins to absorb the stain.
Step 4 seal.
Spray the stain in a circular pattern beginning from the upper corner and across the workspace.
I used direct colors deco gel concrete acid stain two years ago to stain a 120 foot white concrete retaining wall.
After prepping the concrete wall you ll want to tape off or cover any areas.
Julie used coffee brown black english red deco gel and solvent based satin finish acrylic concrete sealer to complete her retaining wall project.
Apply stain to.
Allow the cinder blocks to dry thoroughly before applying paint stain or a dye.
Using a medium bristle brush you want to be sure to brush the stain deep into the cinder blocks in order to push the stain into the porous surface of the wall.
Staining concrete walls step 1.
A concrete wall is less likely to have contaminants than a floor but that.
Generally if you go in a clockwise direction first and then counter clockwise over it you should avoid any unwanted streaking.
How to stain a concrete retaining wall.