Unibond Tile Repair

Written by tanya lee
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Unibond Tile Repair
A caulking gun is an essential tool for applying Unibond Tile Repair Glue. (glazier image by Greg Pickens from Fotolia.com)

If your ceramic flooring tiles have become unglued, you can use Unibond Tile Repair Glue to fix them before you become unglued by the prospect of having to replace the floor. Unibond Tile Glue gives you a no-mess way to readhere tiles that have become unstuck from your flooring substrate. The material can be used only on ceramic tiles set over a concrete substrate or exterior-grade plywood. It is not suitable for exterior use.

Skill level:

Things you need

  • Unibond Tile Repair Glue
  • Rubber mallet
  • Washable marker
  • Electric drill
  • 1/8-inch masonry drill bit
  • Shop vac
  • Caulking gun
  • Bowl
  • Water
  • Sponge
  • Heavy weights, such as bricks
  • Caulking or grout

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  1. 1

    Tap the ceramic tiles on the floor with a rubber mallet to determine which have air spaces under them. Indicate which tiles have hollow spaces under them with a washable marker.

  2. 2

    Drill six to eight holes into the grout around the tile that needs repair. Use an electric drill with a 1/8-inch masonry drill bit. Each hole should be a little deeper than the depth of the tile. Do not drill into the tile itself because you won't be able to repair the tile so the hole doesn't show.

  3. 3

    Clean up the area, including the insides of the holes you drilled, with a shop vac.

  4. 4

    Shake the tube of Unibond Tile Repair Glue thoroughly. Remove the cap and attach the nozzle tip provided with the glue. With the tip end facing away from the handle, place the tube in a caulking gun. The spring-loaded handle of the caulking gun should press up against the nontip end of the tube.

  5. 5

    Place the nozzle tip of the glue tube into each hole you drilled and squeeze the trigger of the caulking gun gently to fill the hole and the hollow space under the tile. Do this at each hole until the glue starts to come up through the other holes around the tile, indicating that the hollow space is full. Tap the top of the tile gently with the rubber mallet to verify that the hollow space is filled.

  6. 6

    Clean up any excess glue around the holes or on the tile with warm water and a sponge. Do not let the excess glue set. Put a heavy weight, such as bricks, on the tiles under which you have injected the repair glue. Let the glue cure for at least 24 hours.

  7. 7

    Fill the holes you drilled with caulking that matches the grout colour or with new grout.

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