Baking soda has low-abrasive properties, making it an excellent cleaning material for stuck-on grime and tough stains. Additionally, baking soda is absorbent, allowing it to absorb oils from the surface of the pavers, especially freshly oil spill on concrete pavers.
Baking soda is an amazing household cleaner, and it can work really well on your pavers too.
Mild detergent and water.
Mix some mild dish soap with water in a bucket to create suds, then use a brush or a sponge to scrub the surface of the pavers. If your pavers are textured or have intricate designs, this cleaning method can be gentler than a power washer.
Whilst vinegar will not directly dissolve concrete itself, but it will degrade the cement that binds your concrete slabs or flags together. Extended exposure to vinegar will also cause any polish or sealant on your pavers to erode over time, leading to bleaching, stains and weathering.
A mix of water and vinegar is a great combination to remove stubborn dirt and stains. If you want even better results, use this mix with a cleaner solution specific made for pavers or soap and water.
Dish soaps are ideal for this job. While they feature surfactants that are able to remove tough grime like oil and grease, they are also safe enough to use on paving stones without compromising their integrity or appearance.
Use Vinegar or Bleach
If you are going to try this approach to remove mold or algae, first try a mixture of white vinegar and water to spray down the area and kill the mold.
OxiClean is a powerful concrete cleaner that works well on various materials, including pavement and grout. This concentrated solution provides excellent cleaning without leaving residue.
It is common to mix bleach with water; however, you can also add other ingredients to make it more effective. Avoid an intense concentration of bleach, as it can damage the pavers.
Simple Green is one of the best cleaning products for dirty pavers. It doesn't have any harmful chemicals that could possibly warp your precious driveway. Less chemicals mean there's a less likely chance your paver stones will change to a weird-looking color.
Use a specialist cleaner
Try a specialist cleaner like Wet & Forget, at Walmart, which you spray onto the surface of the paving and leave. It can also be used on steps, fountains, patio umbrellas and other smaller outdoor areas. It's bleach-free and non-acidic but will remove mold, moss and grime without any scrubbing.
Regular Soap and Water
A solution of regular dishwashing soap or hand soap is simple to create, and it will remove mild to moderate dirt, stains, and grease. Just mix your soap and some warm water in a large bucket and you're ready to start cleaning.
Pressure washers: Power washer machines can eliminate stains quickly, but pressure washing can also annihilate the seal and finish of your concrete pavers if you're not careful. Acidic cleaners: Harsh, acid-based cleaning products and stain removers can damage the seal and finish of your concrete pavers.
Cleaning concrete with vinegar or baking soda is a good option if you are looking for a natural cleaner. While cleaning concrete with bleach or detergent can be effective, it can also be toxic to plants.
Unfortunately, baking soda is very alkaline and kills weeds and grass by desiccating them completely. Using this chemical on your lawn frequently will also alter the chemistry of your soil.
Although bleach is great at the whitening effect, you can use peroxide to achieve this. Hydrogen peroxide is an oxygenated bleach. It is safe for plants, so when you rinse this solution, it won't harm anything. It works together with the dish soap and baking soda to remove dirt and whiten dirty concrete.
Salt should not be applied to walks or patios, regardless of whether your walks and patios are natural stone, pavers, or concrete because salt will damage all surfaces other than asphalt. So, you wonder, why is this and what should you use instead? We have the answers for you here.
A dish soap, like Dawn, is a safe place to start. The surfactants in dish soaps are designed to remove oil and grease, they're gentle enough to be used without issue on your pavers. In a bowl or bucket, mix the soap with water and pour it onto the stain and agitate. Rinse and repeat if needed.
Dry brushing with or without application of clean sharp sand. OR High pressure water jetting with or without detergent. OR Apply fungicides. Use ordinary bleach or calcium chloride followed by sodium hypochlorite dissolved in water (1kg in 5 litres) then scrub with stiff brush.
Use 8 Parts water to 1 part Hydrochloric acid solution, you may have to increase the strength if the marks haven't been removed, the stronger the solution the coarser the paver will become exposing the materials of the paver.
Depending on the material of the paver (non-coloured concrete is safe), CLR may be suitable. Always spot test in an inconspicuous area first. Make sure the pavers are not coloured, stamped, sealed or coated.
Yes, you can pressure wash your pavers. But while using a pressure washer at a basic level is simple, ignorant and inexperienced users can easily damage their pavers by using a stream that's too powerful, by holding the wand too close to the pavers, or by falling into any number of other rookie mistakes.