Quote:
Originally Posted by Kbinspections
Slate cracks easily.....will not do well with impacts from dropped objects.
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I installed slate 12"x12" 'tile' in a mudroom in my own house about four years ago. It gets all the traffic of the house with wet and dry feet. Zero cracks but the thing that makes for 'any' good tile/stone/slab installation is how the substrate is done and then the installation of the slabs or tile. You have to be sure there's
AT LEAST 1 1/4" of subfloor under it to keep the deflection to a bare minimum. I use dbl. 3/4" plywood. A mudjob over that is best but cement boards are fine if they're thinset and screwed down and the slabs or tile are back buttered and layed over an even coat of trowled thinset.
Going over a Ditra mat is even better to absorb any potential cracks.
A painted layer or two of REDGARD over a slab or cement boards is amazing stuff as well..it's a crack and waterproofing product.
OK...sorry...too much information but just something that might help others in the future when doing their own installations.

andy