The pictures below show the situation.
How to fill large gap between countertop and wall.
There is a technique when it comes to filling or caulking larger gaps or cracks and i will show you how.
I might add that replacing the wall is not an option right now.
There used to be a rather large gap between the countertop and the wall.
But there s still a gap that s filled with caulk.
If there is say an inch to inch and one half overhang across the front of your slab maybe the slab could be slid back say one half inch closer to the wall closing the gap enough that when you add a backsplash you could fill in the difference with foam backer stuffed into the space between back of countertop and wall and then use flexible.
Stainless steel or black plastic are popular choices.
What to use to fix a large gap between countertop and wall.
I have a large space between my counter top and wall.
Then measure the length of the gap and cut the cover to size if necessary.
Fill larger gaps with foam backer rod sometimes called spline.
I probably will be using the peel and stick kind because i have no experience with real tile.
Also check concrete supply centers as backer rod is used to fill gaps in poured concrete walls.
This can be found at well stocked hardware stores but not always at large home improvement centers.
Push the appropriate size backer rod into the gap below flush with the surface.
I recently had a handyman re install a vanity countertop combo in my small bathroom.
The gap is much smaller now.
You ll need a drill with a no.
2 phillips bit a flat pry bar wood shims and a hammer.
What and how can i do.
As i ve evaluated my kitchen i noticed there is a large gap between my wall and countertop see photos.
Or maybe make a slot for cutting boards.
How to caulk large gaps.
When gaps get too large you.
First choose a gap cover that matches the style of your kitchen.
It looks like the was was cut incorrectly and not flush.
You may be able to build a spice rack to fill the space.