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How to Add a Mosaic-themed Design to a Wooden-framed Wall Mirror

Update a wooden-framed wall mirror by applying a mosaic-themed design to the wood by completing the steps below. Once you have completed the project, hang the mirror from a wall in your home that you would like to draw attention to.


  • plastic sheeting
  • painter's tape
  • wood cleaner
  • lint-free cloths
  • ceramic tiles
  • flat seashells
  • plastic bag that seals
  • safety goggles
  • small hammer
  • adhesive
  • foam brush
  • putty knife
  • sand grout
  • water
  • bucket
  • wooden spoon or stick
  • sponge
  • bucket of water
  • paint tray
  • clear sealant
  • paintbrush

Cover the Mirror, Clean the Frame & Prepare Decorative Items

Cover the mirror with a piece of plastic sheeting that is secured with strips of painter's tape. Clean the mirror's wooden frame with wood cleaner and a lint-free cloth. Dry the frame with a clean cloth. Select ceramic tiles or flat seashells that you would like to use to decorate the mirror's frame. Place the items inside of a clear plastic bag that seals and place the bag on a level surface.

Put on a pair of safety goggles before striking the bag several times with the hammer. Once the tile pieces or seashells have broken into smaller pieces, sort through the items and pick out the ones that you would like to use to create a mosaic design on the mirror's frame.

Secure Tile & Shell Pieces Then Apply Grout

Use a foam brush to apply an even layer of adhesive to the back of each tile or shell piece that you would like to secure to the frame. Press the pieces firmly against the wood. Place pieces close to each other and try to coordinate the pieces so that they create a colorful pattern. Wait for the adhesive to dry.

Fill empty space between tile and shell pieces with an even layer of sand grout. Prepare the grout by adding water to the product if needed. Mix the grout with a wooden spoon or stick. Use a flexible putty knife to apply the grout to gaps between decorative pieces. Use a damp sponge to remove excess grout.

Seal the Frame & Hang the Mirror

Fill a paint tray with clear sealant. Apply the sealant to the mirror's frame with a paintbrush. Use even strokes to apply the product over the tile and shell pieces. Wait for the sealant to dry completely before adding a second coat of the material. The sealant will provide the mirror's frame with a shiny appearance. Hang up your custom mirror in any part of your home and enjoy your hard work.