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  1. Identify hollow tiles by tapping lightly with a rubber mallet or small wooden dowel.

  2. Use blue painters’ tape to mark the area and take a picture for future proof of where you have injected and repaired the floor.

  3. Drill into the grout joint with 4 to 8 injector holes around the loose tiles.

  4. Drill slightly below the tile being careful not to drill into the edges of the tile.

  5. Do not drill into the sub-floor.

  6. Vacuum or shop vac each hole, tapping gently to loosen debris.

  7. Cut tip to desired size if using the 10 oz tube. (Otherwise fill your refillable caulk gun with adhesive from the gallon size).

  8. Using a standard or refillable caulking gun, insert cut tip into injector hole.

  9. Apply light pressure while keeping tip off of the sub-floor and squeeze slowly.

  10. If a hole is blocked, move on to the next hole and inject until you see the adhesive come up through the other holes.

  11. If no adhesive comes up, check with rubber mallet to make sure the sound is solid.

  12. Clean up with warm water using a damp sponge or rag.

  13. Place weighted objects such as buckets of water on the injected area and allow 12 to 24 hours drying time.

  14. Re-fill injected holes with matching caulk or grout.

  15. By injecting your tile floor you have saved a lot of money!

Directions for use For Tile Injection based on Patent # 5,000,890

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