Jun 11 2011 the thinset thickness is determined by the size of the trowel used and the size of the trowel is determined by how the back of the tile is constructed and the size of the tile.
Thinset thickness for large wall tile.
So a 3 8 u notched trowel leaves a 1 8 bed of thinset beneath the installed tile.
In the case of travertine the back of the tile is smooth so a larger notched trowel wouldn t necessarily be required.
A 3 8 x 3 8 trowel will leave a 3 16 bed of thinset beneath the tile.
Many thinsets max out at 1 4 in a single layer.
Spread the mixture using a notched trowel whose notch size.
Mar 20 2019 the 2011 tile industry standards define the minimum bond layer thickness to be 3 32 after beat in but the maximum thickness has more to do with the manufacturer of the thinset mortar you are using.