Hairline Cracks In Floor Tile Cement Base

In the last article within this floor tiling home renovation project series, much but not all of the laundry room floor was tiled.

This was the day after additional cement mixture was placed on top of the recently added metal screen intended to support the new large floor tiles.

The theory was that the weight of the 24 inch by 24 inch floor tiles would not be supported by additional cement mixture needed on top of the metal screen to level the tiles due to a minor slope in the particle board sub floor.

Three days after the additional cement mixture was placed on top of the metal screen, this is what the scene looked like on the area of the front foyer flooring by the living room and basement stairway:

 Hairline Cracks In Floor Tile Cement Base

Do you see them?  No? What about in the close up pictures below:

 Hairline Cracks In Floor Tile Cement Base

Did you see it now? What you should be seeing is what I describe as a hairline crack in the recently laid concrete mixture.

 Hairline Cracks In Floor Tile Cement Base

It was, as one might say, all over the place.

My concern was that if the added concrete support for the weight of the over-sized floor tiles was already starting to crack, what shape would the flooring be in 6 months or a year after the project completed.

 Hairline Cracks In Floor Tile Cement Base

When I brought this to the attention of contractor he assured me not to worry.

As shown in prior articles, using the metal screen between the wooden sub floor and the cement base for the floor tiles would take into account any such minor cracks.

 Hairline Cracks In Floor Tile Cement Base

The practice is that any movement or shifting of the wooden sub floor does not impact the integrity of the floor tiles. And, likewise, any such minor cracks in the additional concrete laid to support the over-sized floor tiles on top of the metal tile support screen would similarly not impact the floor’s integrity.

What is your experience in this regard?

 Hairline Cracks In Floor Tile Cement Base

So, the additional large tiles were begun to be laid on top of this area of the floor each with its own additional concrete mixture underneath.

 Hairline Cracks In Floor Tile Cement Base

Select this link to continue to the next article in this floor tiling home renovation project and see more of the newly tiled floor taking shape.

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