Can you still get those quadrant shaped tiles you used to put around baths in the 80's ? They would do the trick.
Dow Corning sealant tho quite thick so not the easiest to run. I’d fill in the gap fully first so even if the outer seal splits water will not be able to run down the wall and under the bath.
I’d recommend this. It’s available from Toolstation. I would personally fill the gap with sealant and let it go off. The apply the top neat looking bead.
Can you not jack the bath up a bit on its frame? Or fill the gaps with expanding foam, then do the sealant?
And this is why plumbers these days are poop in the olden times Tile bathroom, fit bath , perfect now fit bath , tile to bath , seal an inch gap With sealer
How do you feel about taking the bath out? Really you need to get the bath out - chop out the wall under the tiles where the bath is right to it to get the loose corner in tighter. Wind it up to sit under the tile and then you have a realistic joint to seal with the mastic. pain in the ass but a mornings work and no more leaky leaky.
If you’re not that experienced with the silicone. ‘experience’ Then it may pay dividends to mask it all up first with two inch masking tape. Use the tape to provide a neat and straight ish edge to both surfaces. Then when it goes everywhere or whatever happens you’ll have a nice finished edge but you must take it off while it’s still wet. I would tape both edges but using tape in approximately twelve inch lengths then fill the massive gaps and force it in and let it cure a little just in the thicker areas, then I’d use a tool of some description ( plastic only) to press it in and form a neat bead then get the tape off while it’s still wet. I’d also have a little practice on a work bench or similar in the garage where you’re not on your knees and working to a ridiculous angle. Pay a lot of attention to obstructions like taps etc and have your tape in smaller pieces around these areas. It’s unwieldy when you pull off the tape covered with silicone and it wants to stick to anything it can see so have it in small pieces and have a nice landing area for it like a load of pieces of newspaper . For a tool, a rounded right angle of fairly firm plastic like the rounded corner from an ice cream tub, and wipe your tool off every time you use it Keep it clean folks But have a little practice first. If it turns out shizzle then keep practicing or get a pro in. You’ll be staring at it every time you’re in the bath. Perfect is great Ozziedog ,,,,,,,,, good luck bud
RIP it all out and have a double shower. Saves water. Last time I used our Bath was 2015, after Glastonbury Festival. Showers ever since. HTH.
Get yourself a set of these, I found them, coupled with a YouTube vid or two, invaluable for getting a neat finish.
I strongly recommend you take the bath out too. Or drop it low enough to dig out the wall so the bath will sit right Then jack the bath up to your tiles, get the top edge as level possible. Then most importantly before you seal the bath to the wall you need to fill it with water if you seal it empty the bath will sink with the weight when you fill it, this is the biggest mistake people make as the sealant will stretch and eventually separate from the tile or bath and also make sure the bath frame or legs are fastened to the floor to stop the bath creeping sideways. Also if you want to stop the sealant going black use forever white it's the best on the market. Sent from my SM-G960F using Tapatalk
I thought my tiling was bad now I've seen worse ... I remember 40 years ago my dear late father being too tight to buy spacers and used match sticks instead.
Don't forget to part fill the bath, a third is good before applying the sealant and to leave it till sufficient time lapsed for sealant to cure completely.
Fill the bath with water to weight it down first and see if you can get it nearer the wall ,unscrew the feet from the floor and split the gap difference ,it's better to have agap both ends rather than all one end
