Can this be used on aluminium?
Fenwick Caravan Cleaner is suitable for cleaning aluminium, plastic, acrylic window, GRP, AB, fibreglass, decals, sealants and much more.The materials used in this product are the most biodegradable in their class. This cleaner will remove black streaks, green algae, road traffic film, diesel fumes, and the grime from over wintering storage.
A one litre bottle can clean up to 40 18 foot caravans, without any aggressive agents e.g. sodium hydroxide (caustic), metasilicates, acids, abrasives, or solvents, which could cause damage to your sealants, windows or aluminium.