If the gap is too wide to seal with silicone narrow trim molding can solve the problem.
Gap between granite backsplash and wall.
Don t tell me to caulk the area the counter top is a spotted gray and walls are red so there isn t any caulk that i could buy that would look right besides filling that area.
Darciegage2 has the best solution.
Gap between new granite and backsplash wall.
An obvious gap between a countertop and backsplash is unattractive and it can allow water to seep through.
It would also seem that your drywall is excessively wavy looking at the first and third photos you have.
Caulk it to the wall seal it and leave a small gap between the two areas.
It s really on thick now.
The countertop can t be pushed back to the wall.
It s pretty much stuck in place.
This gap however can be filled with grout since both are on the same plane.
I have a client that has been caulking a 3 16 gap between the backsplash of her countertop and the wall for a while.
If this is granite i would have a granite fabricator cut pieces to be installed as a backsplash piece.
You can see a crack line between the original sealant not sure what it is and the client s caulk.
When you install a vanity or floor cabinet some kind of gap between the counter and the wall or backsplash is almost inevitable.
Is the gap just the counter top or is there a gap between the wall and cabinet too.
Big box stores have them.
A pencil tile trim would cover the gap.
Grout is no used between countertop and wall tile.
Even if you manage to get the cabinet tight enough against the wall to make this gap unnoticeable movements in the wall or the cabinet may open one up later.
How to install caulk on a kitchen tile back splash.
If the granite is too thin they can epoxy the pieces together to get a pretty uniform look.
Caulk normally used would not work because it s too large a gap.
This video shows how to seal the gap between the backspalsh and granite counter top the easy way using t.