How to Glue Sheet Copper to Wood

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Reflective, colorful and malleable, copper and its alloys have been prized by architects and blacksmiths since time immemorial. Today, however, copper sheeting backed with wood (as opposed to full-thickness metal) is the preferred medium for most craftsmen.


Whether the copper sheet is flat or embossed, the gluing procedure is basically the same: etching the metal's undersurface, applying liquid epoxy and clamping with a batten (i.e., long, flat piece of wood) to set overnight.

Things You'll Need

  • Batten (a long, flat strip of wood at least 1.5" thick)
  • Disk sander
  • 60-grit sander disk
  • 4 Mil. plastic sheeting
  • 1/8" cork sheets
  • 3M Fastbond 30NF liquid adhesive
  • Lacquer thinner
  • Rags
  • Three to eight G-clamps
  • Empty 1-quart paint can
  • Paint Brush
  • Load the disk sander with a 60-grit disk.

  • Lay the copper sheet face down on a sturdy surface.

  • Turn the sander on and apply it to the sheet, creating a pattern of circular etch marks across the entire back surface.

  • Turn off the sander.

  • Soak a rag in lacquer thinner and thoroughly polish the newly-etched surface with it. Give the surface 30 minutes to air dry.

  • Pour 3M Fastbond 30NF liquid adhesive into an empty 1-quart paint can until the container is two-thirds full.

  • Dip the paintbrush into the liquid adhesive and paint a thin layer onto the area of the wood where you plan to attach the copper sheet.

  • Paint a thin layer of adhesive onto the entire etched surface of the copper sheet.

  • Lay the copper sheet on top of the wood so that the two adhesive-coated surfaces meet.

  • Lay a sheet of 4 Mil. plastic sheeting over the entire copper sheet.

  • Lay a sheet of 1/8"-thick cork on top of the plastic sheeting.

  • Lay the batten over the center of the cork sheet.

  • Attach a G-clamp around the top of the batten and bottom of the wood every 8 inches.

  • Tighten each G-clamp snugly.

  • Remove excess adhesive from around the edge of the copper sheet.

  • Allow the assembly to dry for at least 12 hours.

References

  • Photo Credit Comstock/Comstock/Getty Images
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