Fix-A-Floor® Injection Repair Adhesive – Gallon Jug & Syringe: Step-By-Step Application Guide

This guide walks you through the proper surface preparation and application process for repairing hollow or loose tiles and planks using Fix-A-Floor® Injection Repair Adhesive. Follow each step closely for optimal bond strength and performance.

Surface Preparation

Step 1: Identify the Problem Area

Using a wooden dowel or tool handle, gently tap along the floor to locate hollow or loose spots. Listen for a change in sound (a dull or hollow tone).
Once detected, mark the perimeter of each affected area with tape, chalk, or other non-permanent indicators.

Step 2: Drill Injection Holes

Using a standard or masonry drill bit, drill 1–2 holes straight down on each side of the tile or plank within the marked area.
Drill only within the grout line, avoiding direct contact with the tile or subfloor.
Recommended drill bit sizes:

Tile applications: 1/8” to 1/4”
Plank flooring applications: 9/64”

Step 3: Clean Out Debris

Place a vacuum nozzle over each drilled hole to remove loose particles and dust.
While vacuuming, gently tap around the area with a rubber mallet to help dislodge debris trapped beneath the surface.

Application Instructions

Step 4: Prepare and Apply Adhesive with Syringe

Use a 60 mL syringe equipped with a 14-gauge blunt-tip needle for application.

Remove the plunger from the syringe.
Fill the empty barrel with Fix-A-Floor® Injection Repair Adhesive.
Reinsert the plunger securely.

Insert the needle tip into the first drilled hole and slowly and consistently depress the plunger, injecting adhesive into the void below.
Continue injecting until adhesive visibly overflows from the adjacent holes. This indicates that the cavity beneath the flooring is fully filled.
Repeat this process for each hole to ensure complete coverage and a uniform repair.

Step 5: Set and Cure

Immediately wipe away excess adhesive from the surface with a damp sponge or cloth.
Place a 20-pound weighted object (such as a bucket of water, toolbox, or heavy book) over the repaired area to secure the bond.
Remove any additional overflow that may appear during settling.
Allow the adhesive to cure undisturbed for at least 24 hours. Avoid walking on or placing stress on the area during this time.

Step 6: Fill and Finish

After the adhesive has fully cured, fill the drilled holes using a matching grout (for tile) or wood filler (for plank).
Smooth the filler over the holes to blend with the surrounding surface.
Once dry, wipe the area clean with a dry cloth.
For any remaining adhesive residue, use Fix-A-Floor® Adhesive & Residue Remover and follow label directions to safely clean the surface.
Clean up any additional overflow that may occur and allow the adhesive to cure undisturbed for a minimum of 24 hours.

For Best Results

Fix-A-Floor® Repair adhesive is NOT recommended for use on floating floor systems that utilize click-lock edges or underlayment. It can be used to repair glue-down laminate and luxury vinyl flooring. Ensure the product is tested in one repair area first before applying it to others.
Not recommended for use on carpet ﬂooring.
Ensure the tile floor is installed properly using adequate expansion joints. Stress on the tiles will limit the success of this product.
When repairing heated floors, ensure heating elements are turned off for 48 hours before, during, and after application.
When repairing bathroom & shower tile, ensure subfloor is free of moisture before application and surface is adequately sealed after adhesive has fully cured.
Can be used as a general flooring adhesive to reattach entirely removed tiles or planks.
Recommended for minor wood floor applications. For large-scale wood floor applications, use Fix-A-Floor® Polyurethane Wood Floor Repair.