Here we have some polished copper down spouts. One side had Permalac applied to it after the polish. Then the gutter was set aside to age. After several weeks we can already see the change.

To apply Permalac on polished metal, first clean the surface with acetone, to remove any oils or moisture, and then apply three thin coats of the Permalac either by spray or brush. Recoating can be done as soon as 15 minutes. The full cure takes 24 hours.

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