Premium Lead Cleaner is the perfect solution for removing the everyday grime that can build on lead. Its perfect for removing: Bird Foul, Airbourne Pollution, Grime and Dust, either for pre-treatment and preparation for restoring lead flashing, or for a general clean up. Also used in the restoration process of Lead Flashing. This is a amber coloured liquid and can be applied to the lead with a cloth or nylon scourer. Lead Cleaner will not remove Patination Oil, bitumen or tar.