Removing Black Spot from an Indian Sandstone Patio in Lancaster with Patio and Brick Driveway Cleaner
The picture below is of an Indian Sandstone Patio at a property in Lancaster which has turned green with algae and lichens from the surrounding bushes etc. It had been a while since it was properly cleaned and was likely to get worse over winter and slippery. You can see from the photograph that the […]
