Patination oil is an alkyd resin based liquid which, when applied to lead sheet, provides a permeable coating through which the metal surface will oxidise at a controlled rate. Over time this oxised layer develops into uniform dull grey adherent patina.
In damp conditions, untreated lead sheet will quickly generate a white carbonate layer, which rainfall will frequently transfer to neighbouring slates, tiles or brick work, causing unsightly stains. The oil should be applied to new leadwork before the end of the day of installation (preferably out of direct sunlight), before the unsightly carbonate has a chance to form. If the lead surface becomes wet before Patination Oil is applied, make sure it is thoroughly dried before you start applying the oil.
Advice on use