Coloured seal for between shower cubicle and flat shower tray

Joined
3 Apr 2026
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Spain
Hi all

I have had a white 80x90 flat shower tray installed in the bathroom and the walls retiled afterwards.

I have purchased a shower cubicle that fits up to 80x90 but noticed, while preparing to install it, that it isn't going to exactly sit on top of all the tray and could leave 1-3 millimetres of the edge of the tray visible from the outside of the shower cubicle (which will be noticeable due to the dark colour of the floor tiles). I've always had raised shower trays in the past so positioning of the cubicle on the tray rim didn't cause any aesthetic issue.

My question is :- does there exist a type of (dark coloured) cuttable sealant strip that can be placed between the bottom of the cubicle and the tray so that the white edge of the tray isn't visible from the outside (with the inside being sealed with white silicone caulk as normal)?

Thanks for any advice
 
Lol yes but I've only ever used caulk before and am not sure if there are recommended makes that are better than others.
 

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