I m sorry to hear about the mix up with your shower enclosure.
Should a shower door frame be sealed with silicone underneath.
Solutions for fixing the leaks on either side of the frameless shower door.
Either way it is the inside edges on the verticles.
Silicone sealant is added to the joints between the glass and tile the perimeter to prevent leaking.
Broadly speaking the shower tray should be level and fully sealed to the tiles before the enclosure is installed the sides of shower enclosure should be vertically plumb and fixed securely to tiled walls.
There is no other reason for adding it.
I always try to talk people out of using silicone on frameless enclosures of this type.
For a shower door or enclosure to work correctly it must be installed in accordance with the manufacturer s instructions.
Invest in a shower door side seal to solve the leakage issue from the sides.
Stick masking tape above and below where you re going to seal.
And only the outside edge on the tub or shower b.
If you find frameless shower door leaks at both the sides of the glass then you will have to seal the gap between the door and the adjacent glass wall.
If i understand your question correctly we assume you are talking about a glass shower set like a neo angle shower or a glass door set on a tub.
Make sure you have silicone sealant and not normal grout.
Grout isn t suitable for sealing around your bathtub or shower tray as it s not flexible and will crack as soon as any weight is placed on the tub or tray.