How to Install Shower Trim


Trimming out the walls of a shower presents a problem. Normally, you'd trim out a surface with wood, but wood is a bad idea in a shower because it will absorb moisture and rot. You can buy pre-made plastic or fiberglass trim, but a classier solution is bullnose tiles. These are like regular shower wall tiles, but are finished on one side, so they can create a border with the wall when you lay them in rows along the edge of the shower.

Things You'll Need

  • Tape measure
  • Pencil
  • Thinset mortar
  • Mortar trowel (notched)
  • Bullnose tile
  • Tile spacers
  • Tile cutter
  • Grout
  • Grout float
  • Sponge
  • Measure along the top of the shower area on one wall, using a tape measure. Mark the middle of the span with a pencil.

  • Spread thinset mortar over the back of a bullnose tile, using a notched trowel. Press the tile to the wall along the top edge of the tiled area, alongside the center mark, with the finished edge of the bullnose pointing up. Put spacers below the bullnose tile to separate it from the main wall of the shower.

  • Hang bullnose over the rest of the line in the same fashion, with all the finished edges facing up to form the border of the tiled area. Put spacers below and along the sides of the bullnose tiles. Cut the pieces at the ends as necessary with a tile cutter.

  • Repeat for each horizontal and vertical span around the shower, creating a perimeter. Let the tiles set for a day. Pull out the spacers.

  • Grout the bullnose tiles, using a grout float to press the grout into the lines between the tiles. Wipe up the excess grout with a damp sponge.

Tips & Warnings

  • Wear goggles when you cut the bullnose tiles.

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  • Photo Credit Jupiterimages/ Images
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