
How to remove moss and algae from a patio
The safe ways to clear moss, algae and black spots from a patio, and how to keep them from coming back.
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The best way to remove an oil stain from a driveway is to act quickly: absorb as much fresh oil as possible, apply a degreaser or dish soap, scrub, then rinse. Fresh stains often lift completely, while old, set-in stains are harder and may need a dedicated concrete degreaser or professional hot-water pressure washing. The key principle is to draw the oil out of the surface rather than just spreading it around.
Stains that have soaked in for weeks or months need stronger treatment. A purpose-made concrete or driveway degreaser, left to dwell and then scrubbed, works better than household products. Several rounds may be needed. Patience and repetition beat brute force here.
Concrete is porous and absorbs oil readily, so act fast. Block paving can be cleaned similarly, but remember that heavy scrubbing and washing may disturb the joint sand, which then needs replacing, see block paving cleaning and re-sanding. On natural stone, test any product on a small area first.
For large, old or stubborn oil stains, professional hot-water pressure washing combined with the right degreaser lifts what household methods cannot. It is also the safest option if you are unsure about the surface. Our driveway and patio cleaning service tackles oil, moss, algae and grime across Derby and the surrounding area, see also our cost guide.
Get a fast, free, no-obligation quote for driveway & patio from your friendly local eMobile Cleaning team.
Act fast: absorb fresh oil with cat litter, sand or baking soda, then apply a degreaser or washing-up liquid, scrub and rinse. Fresh stains often lift completely; older stains need a concrete degreaser and several attempts.
Yes, but it is harder. Use a purpose-made concrete degreaser, leave it to dwell, then scrub and rinse, repeating as needed. Deep, set-in stains may need professional hot-water pressure washing to lift fully.
It helps with fresh spills by absorbing the oil before it soaks in. Sprinkle it on, leave it to draw out the oil, then sweep up and wash the area. For set-in stains, a dedicated degreaser works better.

The safe ways to clear moss, algae and black spots from a patio, and how to keep them from coming back.
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Why block paving needs re-sanding after cleaning, and how to keep it looking its best.
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What driveway pressure washing costs, the factors that change the price, and what is included.
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