voids

  1. M

    Hollow sounds under porcelain tiles

    Please help... I have numerous large format floor tiles that, when tapped, sound hollow as if there are voids underneath. Our builders, and their tiler, are trying to tell me this is ok. Everything I read says it should be close to 100% adhered. I'm at my whits end with this... And to make...
  2. K

    Help please..tile voids

    Is it common practice to dot n dab floor tiles and once set pore in self levelling compound or some sort of adhesive through the joint lines after to fill the voids? I only noticed this when I stood on a tile last night and it broke. They are a porcelain tile. Today was ment to be completion...
  3. D

    Hollow sounding and voids under tiles .

    Apparently we have been using the wrong type of adhesive as this builder seems to have solved the problems of full bed coverage under tiles
  4. smokie899

    Fix-a-floor. For fixing tiles with voids.

    Got to use this fix-a-floor stuff today. What a load of... rubbish, and that's being kind. One loose tile 300 x 300 and the grout cracked a bit. Drilled eight 4mm holes in 6mm grout lines. Cut the nozzle for a snug fit. Injected it in. Only about 5% went in, while most just came out the same...
  5. S

    How to check for voids under tiles

    Another piece of advice given to me is to check this by tapping the tile with my knuckles. When I tap the middle, most tiles sounds solid but off centre on some I get a sort of hollow sound. Majority of the hallway tiles sound hollow in the middle. Any cause for concern? What will happen? How to...

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