All you will need is a very thin line of clear Silicone.
THREE PIECE SHOWER TRAY/CUBICLE READY MITRED QUADRANT EDGING SEALING KIT
Uni-Green Shower Niche Ready for Tile 16" ×14" × 4" Bathroom Recessed Shower Niche Rectangle Leak Proof Shower Shelf Organizer for Shampoo & Toiletry Storage Yellow
Uni-Green Shower Niche Ready for Tile 16"×14"×4" Bathroom Recessed Shower Niche
Uni-Green Large Rectangle Shower Niche 14" x 50"(Inside 12" x 48") with Mosaic MESH - Shower Niche Insert Tile Ready for Shower Wall Shelf - for Shampoo & Toiletry Storage Flush Mount Installation
Uni-Green Tile Ready Shower Niche 32"x20",Recessed Shower Shelf Yellow
Uni-Green Ready Tile Shower Niche Shelf 17X25 Single Shelf and Built In Shower Shelf Insert for Bathroom Niche Storage, Water and Leak Proof Large Wall Niche Insert
