Cracked or Damaged Floor Tile
If you have ceramic or stone tile installed directly to your concrete floor, you may have noticed cracked or damaged tile. There can be a number of reasons for this, including inadequate bonding, lack of expansion joints, use of poor quality thinset, or cracking of the substrate. For purposes of this article, I’ll address only this last factor: cracking of the substrate.
Many concrete professionals will tell you that it is not a matter of if the concrete will crack, but when it will crack. While there are a number of reasons for the concrete to crack, it’s almost impossible to determine when and where it will crack. Cracking sometimes occurs at the weakest point of the slab, for instance, if there is an inset porch in the floor plan, there may be one or two weak points in the slab. The slab is narrower in this area, hence the weak point. However, it’s possible for concrete to crack at any place or time, even several years after (Read more…)

