How to use STEP 1 : After spreading your tile stick-on, insert spacer underneath the tiles along the 4 sides, use traditionalistic spacers as you normally would to feather up the corners. For larger tiles, it may be to `` duplicate up '', using 2 leveling spacers for each support. 2 : Set the tile and tire it with a rubber mallet STEP 3 : Use the TV program traction-adjustable pliers to insert the wedge into the leveling spacers, paying attention not to pass the breakpoint. 4 : Once the tile stick-on has been allowed to correct. the leveling spacers with the traction-adjustable pliers, rubber mallet, or kicking them break with your feet.