All it takes is a quick patching job with fiberglass mesh tape.
Gap between wall tile and ceiling.
Instead fill it with an elastic material capable of sustaining the movement of the floor and the movement of the wall.
You can then proceed with normal joint taping techniques using drywall joint compound which drywall professionals refer to as mud.
When the ceiling changes height across the length of a wall a gap between wall and ceiling can result.
The tile is level the ceiling is not.
Photos attached hopefully i think they re upside down but what you re looking at is the corner where the tiling is on one wall and that wall meets a plastered wall and a plastered ceiling.
The tile council of north america recommends at least a quarter inch gap between the tile floor and the walls.
We had to replace the drywall ceiling above the shower which was buckling and wavey.
Never fill this gap with grout because tile grout is not flexible.
Maybe it will look better once it s grouted but right now my eye focuses on the gaps and not the beautiful stone.
Acoustic tiles and composite panel boards are two others.
So now there is a varying gap 0 to 1 4 between the top of the tiled wall and the ceiling.
When i put the inside the shower last tile on there was only 1 16 to 1 8th inch gap.
There is a slight gap between the tiles on the wall and the ceiling.
Covering this gap isn t a difficult process.
The previous owner had recently re tiled the shower from the tub to the previous ceiling.
In all cases covering the seams between.
Caulking is the best choice for this application.