For use on Indian Sandstone, York Stone, Limestone (including Portland and Bath Stone) and for all other natural stone.
Patio Black Spot Remover is currently the only product developed specifically to remove those hideous black spots and restore the natural stonework. Patio Black Spot Remover for Natural Stone will remove black spots from Indian Sandstone, York Stone, Limestone (including Bath and Portland), Purbeck and other natural stones. Coverage rate is based on a patio that is 3 years old. The older the stone, the more treatments required. Carry out a trial slab to determine the coverage on your stonework.
4 Litres: Maximum Area: 20 square metres.