Originally Posted by Ron6519
I think you're missing an important point here.This is a theoretical tile installation over metal that will get very hot. This metal is light guage and has no rigidity what so ever.
You need another plan or be ready to waste both time and money on a project that will not work.
Actually the outer surface gets just somewhat warm to the touch even with the gas log on high - there is an inner liner that takes the heat of the fire. And the metal mounting area appears to be quite solid - no flex or deflection.