Quote:
Originally Posted by delta
Why would that happen.
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Lol,
It's not uncommon out here. In the UK and other places you build a tower with concrete floors. Then you put a separate screed on top of the floor, then you stick the flooring to that. It allows for movement and expansion/contraction.
Out here they build a monolithic floor with a 50mm topping of plain concrete and just stick the flooring directly on top. Hence when the building moves (as buildings do) the floors "pop". It also means that rather than just replace the tiles, they have to dig up the floor and relay the top 50mm of concrete.
All very inconvenient.