Black Spot Removed from an Indian Sandstone Patio in Bolton-Le-Sands
This Indian Sandstone Patio in Bolton-Le-Sands near Lancaster had not been cleaned successfully for several years. Although the owner had power washed it on occasion, that won’t rid you of Black Spot, Mould, Lichen etc and this will build-up over the years. It does clean the stone up to a certain standard but at some […]