I have a clients outside entertaining area that has smoke damage to the underside of his colorbond roof sheets, he has used oven cleaner to limited success. Is there a product I could use to agitate the staining before pressure washing?
I have a clients outside entertaining area that has smoke damage to the underside of his colorbond roof sheets, he has used oven cleaner to limited success. Is there a product I could use to agitate the staining before pressure washing?