I use a round notch trowel on floors and areas that are subject to a lot of water this is a solid bed technique.
How to back butter wall tile.
Although not necessary for tile coverage back buttering can be effective by increasing the bond of the mortar to the back of the tile which is an excellent benefit.
Buy at https amzn to 2ic1d5i how to use the back butter buddy to back butter tiles back buttering tile is the process by which a thin coating of thinset is applied the back of the tile to help.
Back buttering tile can be effective.
I place the first tile in the corner leaving a 1 8 gap at the end.
First you have to comb the thinset onto the substrate that means it is spread with the notched side of the trowel leaving little ridges.
Backbuttering tile simply means spreading a flat layer of thinset onto the back of the tile before installing it on your wall or floor or whatever.
But before i do i back butter the adhesive side of the piece with my smaller hand trowel which will give full contact of the tile to the wall.
As a seasoned tiler who does back butter i have experienced the many difficulties associated with traditional back buttering techniques including arm fatigue and occasionally dropping tiles while trying to back butter.
In the case of all these photos i chose to backbutter or more pointedly put the thinset on the back of the tile rather than the substrate.
How to back butter like a pro.
The width of the niches these mosaics were going into was smaller than the size of my trowel which makes it difficult to properly comb thinset on the back of the niche.
I then place the next piece of tile next to the first adding a 1 8 inch tile spacer in between them.