sealing shower tray problem

keystone

silvercar wrote: »

The plumber said the shower tray is firm and not moving. The problem is "just" that its a well used shower and a gap has appeared between the tiles and the silicone. So he fixed it, or so I thought. The new silicone looked a tidy job but he commented that the gap was large and it was difficult. On closer inspection I can see there is a small gap in one place.

We have a border about a metre up in brown, so another border would look odd. I can't repeat the same border as that is a triple row of narrow tiles on either side of diamond shaped ones.

Thats too deep for just silicone TBH without packing it first. Some would use Gripfill which the purists would have conniptions over. So try one of these (or similar) kits:

CLICKY

Cheers

sheslookinhot

Ideally the tile should sit on top of the shower tray. An 8mm gap filed with silicone sealant is a disaster in the making. What type of surface is behind the tiles.

Can the wall be channelled out by 10mm to allow the shower tray to be directly below the tiles ?

Slinky_Malinky

I have this sort of thing in my shower...

http://www.byretech.com/acatalog/shower-tray-seals.html

It was fitted over six years ago and still looks like new with no leaks.

[Deleted User]

Hi,

keystone wrote: »

the purists would have conniptions over.

know nothing about tiling, but learned a new word today, thanks.

Learn a word a day, extend your vocabulary.

silvercar

sheslookinhot wrote: »

Ideally the tile should sit on top of the shower tray. An 8mm gap filed with silicone sealant is a disaster in the making. What type of surface is behind the tiles.

Can the wall be channelled out by 10mm to allow the shower tray to be directly below the tiles ?

The tiles do sit on top of the shower tray in that they are forward of the back of the shower tray. There is just this gap between the shower tray and the tiles which is slightly bigger than normal apparently.

mikey72

silvercar wrote: »

The plumber said the shower tray is firm and not moving. The problem is "just" that its a well used shower and a gap has appeared between the tiles and the silicone. So he fixed it, or so I thought. The new silicone looked a tidy job but he commented that the gap was large and it was difficult. On closer inspection I can see there is a small gap in one place.

We have a border about a metre up in brown, so another border would look odd. I can't repeat the same border as that is a triple row of narrow tiles on either side of diamond shaped ones.

A shower tray shouldn't be able to move downwards.
It's either resting on the floor, or it is on legs on the floor. Either the legs weren't fitted properly, so they have now pushed into the showertray more, or the floor has moved.
Is the gap even all the way around, or bigger at one end to another.
Has there been a leak for a long time, causing the floorboards to rot?

silvercar

The shower tray is firm. Hasn't moved and isn't moving.

I'm guessing whoever tiled cut the bottom row of tiles slightly to small and consequently the gap between the tiles and the shower tray is too big.

The leak is only small and is to the top of the side wall in the garage below.

keystone

The answer is still in post #12.

Cheers

silvercar

What is gripfill? Would that fill the gap better than ordinary sealant?

I watched the video in post #12 link. It looks maneageable, but then so does sealing using sealant when you watch a video. Not sure I could do such a professional looking job.

millie

Slinky_Malinky wrote: »

I have this sort of thing in my shower...

http://www.byretech.com/acatalog/shower-tray-seals.html

It was fitted over six years ago and still looks like new with no leaks.

That is what we used, its not cheap but we probably wasted nearly as much over the years with other failed attempts to seal it. It still looks as new 2 years on, no problems with the black mould we suffered before, worth every penny.