31+ Natural Slate Patio Cleaner US. The best patio cleaners will do the hard graft of ridding your patio of algae, while you sit back and relax in your garden. A slate patio adds a distinct touch of class to outdoor living space.
New clean 60 patio cleaner is ideally suited for cleaning patio surfaces that are laid with porous natural stone including limestone, sandstone, natural slate, terracotta, quarry tile, yorkstone, along with engineered stone types such as block paving, concrete and brick.
Colors range from grey and black to. Untreated slate is porous and can. Slate brings an earthy element to your landscaping. We found a place outside of town where there are large slate deposits and are thinking we would like to use that.