You can try out different settings, but you’ll probably need to use the highest one to effectively remove most of the dirt. For interior red brick flooring, you can use a standard floor vacuum if you wish. Turn off the brush roll to protect your flooring, however. If you choose to sweep your brick floor with a broom, take care that crumbs and debris don’t get stuck in the rough grout.
You can also use a mixture of salt and dish soap or borax and warm water. Once the paste has dried, remove the remnants with a nylon brush or another hard-bristled brush. If there is any remaining soot or dirt, try applying a bit of vinegar with a wet rag and wiping it clean.
Remove any remaining vinegar residue with some warm water.
You may also use a bucket with soapy water to scrub stains off of exterior red brick. You can use different hose settings to access some of the harder to reach places. For example, you might need a steadier stream to get rid of cobwebs hiding in corners and crevices.
If there are still traces of mold remaining, you can make a stronger mixture – half water and half bleach – and let it sit on the red brick for 2 days before rinsing it off.
You should be able to purchase these products at any home improvement store.
Be sure to wear rubber gloves while handling this cleaning solution. You should be able to purchase trisodium phosphate at any grocery or home improvement store among the cleaning supplies.
Wear rubber gloves when handling ammonia. This method is best for use on exterior red brick, or in a well-ventilated area.
Most construction or home improvement companies can cover this kind of work, or recommend a qualified professional who can.
