How to Recoat a Mirror Where the Backing Is Damaged
Repairing damaged coating on a mirror is virtually unattainable. Mirrors with damaged backing gain luster and reflection only if the old coating is removed and replaced with a new coating. The process, although effective in many circumstances, does not fix scratched or scuffed mirror glass. The value of the mirror should be taken into consideration before attempting to recoat the backing. Unless it is an antique or holds some kind of sentimental value, the process may not be worth the effort or money. In most cases, purchasing a new mirror is cheaper than re-silvering an old one. Does this Spark an idea?
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Things You'll Need
- Paint stripper
- Cloths
- Re-silvering kit
- Drop cloth
- Latex gloves
- Safety goggles
- Respirator
Instructions
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Strip the backing that protects the silver coating on the mirror. Use paint stripper and a cloth to wipe away the backing.
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2
Remove the silver coating with the nitric acid that comes with a re-silvering kit that you will need to purchase. Use a clean cloth to wipe away the backing.
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Lay a drop cloth down on a level surface in a well-ventilated area. Place the mirror glass-side down on the drop cloth.
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Mix the re-silvering chemicals together according to the re-silvering kit's package instructions. Spray the product on the backside of the glass. Allow the mirror to dry.
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5
Apply the protective coating included in the re-silvering kit. Allow the protective coating to dry before reframing the mirror.
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Tips & Warnings
Re-silvering kits are available for sale at home improvement stores.
Use protective gear while using harsh chemicals. Wear safety goggles, a respirator and rubber gloves. The chemicals used in the re-silvering process can cause damage if inhaled or if they come into contact with eyes and skin.
