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Rusting Metal Roofing

Posted on Nov 2, 2009 by in Techniques, Updates |

I decided that I needed the corrugated metal roof to be rusted and corroded to match the peeling paint of the Fryxell Feed Store.  I used Ferric Chloride to “rust” out the individual panels once I had cut them to the needed size.

-Safety Note-

Make sure to fully read the directions on the bottle when using chemical etchants.  Use safety equipment as directed and make sure to use in a well ventilated area, preferably outside.  Make sure to follow local regulations on disposal of used etchant.

I dipped the pieces into the solution and left them there until they “boiled” violently.  I then swished the pieces in water to stop the reaction and set them to dry after wiping the gunk off of them.  Once dry I attached the pieces to the cardstock sub-roof using a CA type glue, although in the future I think I will use tacky glue.

Once I attached the roof panels I used a mixture of several different colors of pastel chalks to provide the rusted color I wanted.  I then sealed the roof using Dulcote.