Patinas: Choose Your Finish

by Ed Marlowe ~ May 16th, 2008.

When working with the Tiffany (copper foil) method of stained glass construction, it is possible to create a specific finish on solder lines. We sell effective chemicals called patinas for this purpose. Patinas are pre-mixed liquids and are very easy to apply. Copper and black are the most popular finishes. Antique brass is also a choice, but it should be noted that this finish is not as consistent as the others. If you prefer a silvery/pewter finish, no patina is required since the solder used in construction will remain in its natural state until the passage of time transforms the finish into a subtle metallic gray. It is always important to clean your work carefully with lots of water and a mild detergent or a chemical cleaner before applying patinas. This process should be completed immediately after soldering. It doesn’t take long for solder to oxidize and once this happens, patinas have reduced bonding capacity to create the finsih desired. You will find that any finish will soften with time taking on a weathered appearance. Lightly buffing your solder lines with a product such as Never Dull will bring back the original silvery finish of natural solder and restore the vitality of a copper finish.

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