I have seen this attempted many times and it never fills all of the voids and never fixes the problem.
Fix loose bathroom floor tile.
How to fix loose tiles step 1.
Lift out the loose tile with a putty knife.
Carefully lift the loose tile with a putty knife working from center to edges on all four sides.
Remove damaged tiles together with tile adhesive cement under tiles.
Once the drill bit clears the grout line you will feel it release meaning you have reached the void.
It s fast easy and affordable.
You may have to break the tile into small.
Did you make this project.
Set the tile aside.
To handle one or more that come loose simply remove the loose tiles.
Cut the grout around the tile you want to remove and use a chisel or other tool to gently pry it off the floor.
Diy just drill and fill.
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Drill straight down into the grout lines inside the problem areas do not contact tiles with drill bit.
Clean and put some weight.
You may have to repair rubber or vinyl membranes to.
How to fix your loose hollow tile floors no removal necessary.
Fix a floor is an extra strength repair adhesive customized for the specific use of re bonding loose and hollow tile marble stone and wood flooring without removing or replacing.
Drill 2 3 holes on each side of the tile depending on tile size.
Just drill fill.
Lift out the loose tile with a putty knife.
Carefully lift the loose tile with a putty knife working from center to edges on all four sides.
Now take either a new tile or if you re going to reuse the same tile in case it s unbroken scrape all the adhesive.
Allow the mastic to dry for 24 hours and then regrout the tiles.
Elastomeric properties allow for the adhesive to never crack and loose its bond.
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Get some ceramic tile adhesive or thinset tile.
Reapply new adhesive to the new tile.
Make sure any waterproof membrane is undamaged before proceeding.
How to fix loose floor tiles.
We have a be nice policy.
If the adjoining ones are also loose scrape out the grout around them and then carefully pry them out too.
1st answer trying to fix the problem by injecting epoxy to fill voids in hollow sounding areas of the tile and to stabilize loose tiles is treating the symptom rather than fixing the problems.
Scrape the underside of the tiles and the underlayment to remove old mastic then put fresh mastic on the underlayment and press the tiles into place.