The cracks are areas of tension where the pads are pulling away from each other due to the shrinkage.

The first question is why did the tiles come loose? If installed correctly tiles should not come loose.

If the ceramic tile is installed correctly it can be used in cold environments without cracking as long as it isn’t subjected to moisture during freeze thaw conditions.

The cementitious backer board should have been glued and screwed every 8″ to the subfloor. The 3×5 foot sheets should have been staggered from each other to make the floor more stable.

Crack in Tile over Radiant Heating – HELP! Can you tell me what kind of solutions are to be had for repairing cracks of tiling when there is in-floor-heat underneath? Can it be repaired…or is the best solution just to tear all of it out?

Is there a way of heating a bathroom tile floor from the basement below? Is there some producxt that can be attached to the subfloor between the joists in the basement?

My question relates to a sunroom application. I’m wondering if it’s OK to consider porcelain tile flooring for our new sunroom addition, which will be built over an existing concrete patio, but I believe without a concrete slab floor. I think we’d be having the floor installed over plywood.

Warming Tile – We are building a new home and I am wondering which type of tile would be warmer on the feet,ceramic or porcelain? It will be installed on a subfloor.