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What kind of tile? Ceramic? If ceramic. the floor is not level. The house may have shifted. Is it pier and bean or concrete slab? If the floor is 10 years old and has just cracked, it most likely would be the foundation of the house(or that part of the house).
Another cause could be whatever is under your tile is not the right material. If you have extra tiles, I would just put that down. If you are doing the floor again, you need a backing that is a higher grade. We just did our bathroom floor with tile and we originally purchased the wrong backing (I guess that's what it's called) even though it was recommended by the salesperson at Home Depot or Lowe's. We needed a backing for a cement floor, which is stronger. Our contractor said he could use what we had purchased but he was afraid that it would crack at some point. We went with what he recommended.
This site gives some good responses regarding the possible reasons for tiles cracking. It may be a good idea to read around on it: TCNA - Technical Services: FAQ
What kind of tile? Ceramic? If ceramic. the floor is not level. The house may have shifted. Is it pier and bean or concrete slab? If the floor is 10 years old and has just cracked, it most likely would be the foundation of the house(or that part of the house).
Installing tile on a floor that is not level does not cause it to crack. Installing it without first installing a crack isolation membrane will cause it to crack.
Another cause could be whatever is under your tile is not the right material. If you have extra tiles, I would just put that down. If you are doing the floor again, you need a backing that is a higher grade. We just did our bathroom floor with tile and we originally purchased the wrong backing (I guess that's what it's called) even though it was recommended by the salesperson at Home Depot or Lowe's. We needed a backing for a cement floor, which is stronger. Our contractor said he could use what we had purchased but he was afraid that it would crack at some point. We went with what he recommended.
I'm surprised your contractor agreed to install the tile you purchased from the big box store because they are rejects and or so out of square that you can never hold a straight line when laying them.
I'm surprised your contractor agreed to install the tile you purchased from the big box store because they are rejects and or so out of square that you can never hold a straight line when laying them.
busta
I don't know anything about them because DH picked them out. However, they look great and I am expecting none of them to crack. I would also say that since builders in Delaware are not known for having anything straight that we should especially be okay.
If the house was constructed on fill and the footer trench was not compacted or not compacted evenly, the weight of the house will put different pressure at different points around the perimeter. In my area, code requires only a 8" deep footer with rerods. It should be 12"
My house was built 13 years ago, slab on grade and I have tiles cracking in the kitchen on the outside wall. There's nothing you can do about it and replacing the tiles is a waste of time.
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