British Ceramic floor tiles

[Browny7737]

Can anyone let me know if you have used British Ceramic Florence Oyster floor tiles with underfloor heating? Concerned they may crack.

 

[Bathfix Bob]

A maggot crawling across the floor from the dead and decaying carcass of BCT will shatter each tile with its body weight long before the UFH does.

 

[Dave]

Can anyone let me know if you have used British Ceramic Florence Oyster floor tiles with underfloor heating? Concerned they may crack.

white biscuit I assume?