
Floor
Slip resistant stickers you can step on.
Yes, if the tile is smooth and clean. Textured tiles may not give the adhesive a good bond, and dust or water getting in at the edges can weaken it. See Floor Stickers.
You can apply floor stickers over tile as long as the surface is smooth and clean. Floor stickers stick best to smooth, flat floors such as tile, sealed concrete, laminate and vinyl flooring.
What can weaken the bond
Textured tiles, which may not give the adhesive enough contact
Dust, dirt or grease on the surface
Water or dust getting in at the edges
Preparing the tile
Clean the tile well to remove dust, dirt and grease
Let it dry completely
For textured tiles, a floor primer or sealant can give a smoother surface and a better bond
Applying
Press the sticker down firmly from the centre and out toward the edges to remove air bubbles. A squeegee helps. Step-by-step instructions are in How do you apply vinyl floor stickers?