WebOct 28, 2024 · If you do see dark, black, or even green stains on the exterior of your brick home, there are a couple of possible culprits: Accumulated moisture. Dirt. Lichen. Moss. … WebMay 20, 2024 · Quite often, heavy mildew stains will appear on concrete due to outdoor dampness. To effectively kill the mildew spores and remove the black stains, you will need to use chlorine bleach. Oxygen-based bleach will remove the stains but will not kill the spores. Clear the Patio and Mix the Cleaner
How to Clean a Concrete Patio - The Spruce
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How do I remove black spot from my patio? - Stoneworld
WebAug 20, 2016 · Black stain removal on a driveway. This driveway had bad black ingrained fungal staining.What are those black stains or spots on your driveway or patio?http:... WebRust staining to flag edges due to use of acid to clean jointing mortar stains. With some stains, using a good quality colour-enhancing sealant can make the disfiguration seem to all-but disappear, but the results can be hit-and-miss, and not everyone likes the almost wet-look that is usually needed to mask the staining: it can make the stone ... WebApr 3, 2024 · 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. 6. Add a sealant. A final, optional step is to apply a protective sealant to … bright horizons nursery ofsted