For granite tiles you will want a square 1 4 inch notch.
Tile over laminate kitchen countertops.
If the countertop is delaminating in areas the tile will not hold.
While the point of installing tile over laminate is to cover up the poor laminate there is a limit as to how bad that laminate can be.
Tile and natural stone as well as other laminate surfaces can serve as an adequate base for your laminate tiles.
Remember the thickness of the tile should match the thickness of the profile.
To prep the countertop to receive the tile round corners need to be squared off and the countertop surface has to be sanded to provide a better surface for the tile adhesive.
3 8 spacing with 3 8 notched trowel.
Clamp the level down to use as a cutting guide image 1.
In my case the tile was 3 4 so the trim supported 3 4 tile.
Begin placing the tile from the center of the counter out pressing back and forth and side to side on each tile to secure the thinset.
Use contact cement to reapply the laminate so that it firmly sticks to the mdf.
Use the flat side of the trowel to force a good bond.
Cover the laminate optional.
To square off the corners of the round cornered laminate countertop mark a line 3 1 4 in from edge.
Spread glue on the countertop with a notched towel starting at the outer edge.
Use a trowel to create beads all through the adhesive.