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What to do?

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We've just had our downstairs bathroom tiled and the tiler has cut the same tiles to be used as a splashback.


The left side looks fine with the edging, but the right side the edging isn’t quite covering the tile and you can see the adhesive slightly.


I’m going to silicone the back & sides of the splashback, along with the sink and between the tiles.
The silicone is black.


Is it worth running a small amount of silicone around the edging?
 

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Never put any silicone onto the outside edge of Splashback trim - it can’t be painted. ( you might not want to now, but you will in a few years ). Always use grout to backfill a trim on a wall that’s not flat. I’m always wary of doing this with Black trim though, as black grout ‘isn’t ‘ ! A black Permanent Marker Pen now comes out the toolbag……..
 
Never put any silicone onto the outside edge of Splashback trim - it can’t be painted. ( you might not want to now, but you will in a few years ). Always use grout to backfill a trim on a wall that’s not flat. I’m always wary of doing this with Black trim though, as black grout ‘isn’t ‘ ! A black Permanent Marker Pen now comes out the toolbag……..
Thank you ill use a marker pen to hide the little bits of adhesive.

So for the gaps around the back of the trim it's best to use grout?
 

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I usually use grout because it’s in my hand at the time, and it either matches the tile or the trim. In this instance, the very last thing you want to do is try and get some black grout down there. Unfortunately, given your colours and nice clean walls, you’re probably going to have to paint over the filler, so any generic “ polyfiller” type would do.
 
I usually use grout because it’s in my hand at the time, and it either matches the tile or the trim. In this instance, the very last thing you want to do is try and get some black grout down there. Unfortunately, given your colours and nice clean walls, you’re probably going to have to paint over the filler, so any generic “ polyfiller” type would do.
I'm waiting for the tiler to reply he's used charcoal grout for the floor more annoyed as I chucked a load of it away that had gone off after he finished.

So if I used toupret filler could I then paint it the same colour as the wall to blend it in?

The tiler has got some of the charcoal grout left....
 
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So if I used toupret filler could I then paint it the same colour as the wall to blend it in?
That’s what I would do, because,
The tiler has got some of the charcoal grout left
Using this will be very messy. Unless you’re confident that your ( hopefully waterproof proper Bathroom paint and not just standard Emulsion) will take a good sponging and wiping to remove the grout excess!
 

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