10/10/2026
Black spots on patio slabs are usually lichen and weather staining, and they can make outdoor areas look neglected and slippery underfoot. Our straightforward guide explains what causes them, which cleaning methods work, and how to avoid damaging the slabs or surrounding surfaces. It’s useful advice for homeowners, landlords and property managers across Oldham and Greater Manchester who want a cleaner, safer patio without guesswork.
https://www.oldhamgutters.co.uk/uncategorized/remove-black-spots-from-patio/