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Debonding Tile

Any type of tile that becomes loose or debonded

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Expansion joints are a type of movement joint. Movement joints are meant to mitigate expected expansion and contraction movements within the tile assembly cased by temperature variations, moisture variations or from dynamic structural movements.

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The debonding of the tile should not be due to the tile unless the tile had some sort of contaminate on its back side that prevented the tile from achieving an adequate attachment to its substrate.

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A ceramic tile floor should be able to withstand cleaning with water or any type of an appropriate grout cleaner.

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Whether it is stone tile or ceramic tile or porcelain tile or glass tile, if the tile becomes loose or unbonded, then we refer to that either as a tile that debonded or we might say the tile has delaminated from its substrate.

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Buckling marble tile or tenting marble tile is typically due to the marble is expanding and is constrained to some degree, and it likely isn’t bonded as well as it should be to its substrate.

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The tile should not crack or flex, or become debonded. That suggests that the substrate is not stable and may have excessive deflection.

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I am involved with this failure on behalf of the insurance company. There was a large storm that came through and caused some damage to the roof and some exterior elements. The homeowner is alleging that water damage caused damage to the marble tile substrate which created movement of the tiles. However, no evidence of water damage inside exists from what I can see. Is this damage indicative of water damage? Could moisture have caused the de-bonding of the thin set?

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The tile installer came and looked at the issue of my hollow tiles and cracked and loose grout yesterday. The contractor said they are planning to inject an epoxy under the tiles (over 60 of the tiles seem to have hollow sounds and about 30 of those have the grout starting to come out) to fill the hollows on Monday. My contractor said this is the solution to this problem. Here is hoping he is right.

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Does the installation of tile on top of a post-tension concrete slab in a large floor area inside a residential home require the emplacement of “expansion joints” at specific intervals? Can exposure to direct sunlight cause a tile to detach itself from a concrete slab to which it has been affixed with a bonding agent that was specifically designated therefor?

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