This was a challenge but the satisfaction comes with the end result.
Take a good look at some of the pictures.
The underside and top side.
This was a case of silicone over silicone over silicone over… well you get the idea 🙂
And even with all the silicone and filler and expanding foam and who know what else it still leaked.
The pictures show (if i have them in the correct order) show how bad things were.
Now the main reason for the existing silicone being ineffective was that there was a huge gap between the wall/tiles and the bath.
So after a good clean up I moved the whole bath closer to the wall in both directions.
This closed up the gap to where it should have been and allowed me to put a nice seal all round.
Its all in the prep !