I'm planing on applying 12" X 12" granite tiles to the front surfaces
of a steel fireplace insert.
It has bee suggested I use mesh attached to the sheet metal with
screws and use mastic. The person who suggested this said the trick
wasn't getting them to stick, the trick was getting them to stick for
20 years, and I agree. I'd prefer not to have to deal with the added
thickness of the mesh. I had a thought; perf the sheet metal with a
drill to give the the mastic something to grip. Any thoughts on this
I am not sure of the type insert you have but I think I have an idea
how it is inserted into your wall. With that in mind, you should have
your wooden mantel on each side & top.
Have you considered attaching a solid surface over the face of the
wall such as durrock then glue your tiles to this. That way you could
the durrock onto the wall around the insert allowing it to cover the
of the insert & butting it to the wood mantel on each side.
I do not think I would drill holes in the insert or add screws. It
to leakage of heat and/or smoke, not to mention the warranty on the
if that applies.
Hope that helps.
it won't stick well, or at all. if it does, then the flexing of the
steel (either pushing against it) or from heat expansion, the tiles
will pop off or the grout will crack anyway.
attach cement board in front of it, then thinset the tiles to that.
That's the reasoning and experience, I'm asking for. Again, I'm doing
this for the long run.
I don't intend to use it for burning wood, my wife is allergic, likely
a gas or electric log set (if I can find one that looks even remotely
like a fire).
Still, even a gas log set would make enough heat to make steel walk a
bit, I hadn't considered that.
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