Slate floor tile traditional slate flooring is generated by splitting slate stone on its grain.
How thick should slate floor tiles be.
As a general rule floor tiles should have grout lines of 1 8 inch or larger depending on the type and size of tile.
Ungauged slate tile flooring can be installed with either side of the tile facing up and the thickness of the tile tends to vary between 1 8 of an inch and an inch.
Unlike some stones which are monolithic slate has a very pronounced grain.
Yes you can lay up to 40millimeters or one a half inches of 3parts sand to 1 part cement to a consistency that will stand up on it s own but is still wet enough to wet the back of the slate but no deeper than one a half inches of mix.
This can make installation more difficult requiring techniques such as back buttering or building up adhesive on the back of the tile in order to make it lie flat.
That allows it to be divided for very thin sheets using a hammer and a chisel.
Variations in slate thickness depend on the size and type of the tile.
The thickness of a tile can vary from edge to edge since the surface s natural cleft has high and low points.
The standard thickness of slate tile ranges between 1 8 to 1 4 but there s a great deal of variation due to the nature of the substance.
Special types such as slate or quarry tiles often do not have edges uniform enough to look good with tight spacing.
Chinese slate tiles of 16 inch by 16 inch can have a thickness of 1 2 to 9 16 inch whereas indian slate tiles of the same size can vary between 7 16 and 1 2 inch in thickness.
The subfloor under the tile should be at least 1 1 8 thick with a minimum of 5 8 thick exterior grade plywood topped by 1 2 cement backer board.
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Uneven or ungauged slate tiles give a rustic quality to indoor spaces.
The installation guide for 1 4 inch hardiebacker recommends having wood subfloors made of 5 8 inch exterior grade plywood or osb oriented strand board that is 23 32 inches thick.
These fairly inexpensive stone tiles are shipped from china india and brazil where they are.
Most floor tiles are 8 inches by 8 inches but larger versions are available.
How to lay uneven slate tile.
Slate can also be cut to the most precise dimensions using a wet saw.