Be very careful when choosing to use a high pressure cleaner on exposed aggregate as if your pressure is too high you can cause damage to the cement and the loosen the stones from your driveway.
Cleaning exposed aggregate concrete patio.
I would use a pump sprayer or 12 volt if you have it and use a little stronger mix if it is real dirty.
Often times the exposed aggregate captures dirt and grime or moss in damp locations and should be softened with a light degreaser or cleaner.
With new products hitting the market all the time we found the profiler by surface gel tek an outstanding method for cleaning and re sealing exposed aggregate.
I ll look into oxalic acid wash is that ok on concrete without eating into it.
I should have said exposed aggregate concrete it s a concrete driveway but the little stones are partly exposed out of the concrete so it s bumpy.
Because the profiler a muriatic acid in a gel form lays on the surface of the concrete without absorbing into the cement.
A mixture of white vinegar water and a spoon of dish cleaner is as effective as anything else you will find.
Baking soda is slightly abrasive which makes it an excellent choice for cleaning a patio s rough surfaces.
Unless you are cleaning up greases and oils that have penetrated deeply into the aggregate concrete simple cleansers and home cleaning agents are more than enough.
Process of cleaning exposed aggregate pool deck.
Further clean the exposed aggregate with water using a garden hose or if available a high pressure cleaner.
Rinse away the cleaning solution.
For a gentle cleaning solution.
Then just clean as normal.
Allow the concrete to air dry completely before replacing any furniture and accessories to prevent staining.
A pressure washer might work but it might also take out some of the stones.
Make sure to spray clean water on any shrubbery or grass next to the patio that may be splattered with the vinegar and baking soda.
The first thing to do is to choose a test patch and attempt to clean a small inconspicuous area.
Step 1 saturate the surface with a cleaner leaving it to absorb into the concrete.
The pigments in integral coloring admixtures also are chemically stable and won t fade over time from exposure to the weather or ultraviolet light.
Let the mix dwell a little bit.
These products also clean off other chemicals that make the concrete look less than appealing.
Routine maintenancewhen properly protected and cared for integrally colored concrete will retain its color indefinitely.
The color extends throughout the entire slab so even if surface abrasion occurs the color will not wear away.