Rinse off with fresh water and follow up with the method above.
How to clean up concrete floor backyard.
If your patio is very dirty use soapy water on your sponge.
To clean stains off a concrete patio mix vinegar with baking soda to form a paste.
Sealing joints in the concrete.
A concrete dust respirator.
Dust mop after sweeping to remove any remaining grit on the floor or use a vacuum with a brush attachment to remove fine dirt particles.
Leave for 20 minutes before scrubbing in circular motions with a stiff bristled brush.
Wear the concrete dust respirator.
Sweep all debris from the concrete floor with a push broom.
Then sweep up all of the dirt.
Use a scrub brush with a long attachable handle to save your back and knees.
Cleaning concrete on a regular basis at least once per year to remove normal dirt and grime build up to remove rust or other stains.
Then use a short scrub brush to loosen any grime or dirt that wasn t already lifted up by the cleaner.
Rinse the concrete floor with clean rags and the plain water.
Rinse off and continue with a full floor clean.
Before cleaning your concrete patio remove your furniture and other items from the patio.
Place fans and dehumidifiers in the room if possible to speed up the drying process.
Once your paste is ready spread it on the stained areas allowing it to soak in for 15 30 minutes.
Use a nylon bristled scrub brush metal brushes can leave small pieces of metal in the concrete that will rust to clean the entire surface.
Next spray your patio down with your garden hose and use a sponge to scrub away any stubborn dirt or debris such as chalk residue.
Dry the concrete floor promptly.
Here are the procedures.
Re pour vinegar as the dried concrete begins to break up and continue to chip away at the dried spill.
A chemical based concrete detergent.
Wet the area and pour or spray either lemon juice or vinegar on the rusted spots.
Use towels to soak up excess water.
As you work to break up the spill the vinegar will somewhat soften the concrete making it easier to clean up.
Repairing cracks in concrete to maintain a structurally sound surface and minimize water intrusion through cracks which can cause problems with the sub grade.
Allow the mixture to sit on the concrete surface for around 30 minutes.