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Discuss Retiling wetroom advice on how best to proceed in the Tanking and Wetrooms Forum area at TilersForums. USA and UK Tiling Forum

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YT233

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Please checkout the following advertisement.
So stage 2 done wall tiles removed, the Hilti machine was awesome! Impey blank stick tanking of death horrible stuff to take off. As a side not only 1m in height of the wall was tanked.

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W

Waluigi

Tanked with tilesafe?

Impey used to say that the maximum thickness of tiles and https://www.tilersforums.com/forums/tile-adhesive/ onto tile safe was only to be 10mm which wrote off virtually every single tile I was expected to install.
 
OP
Y

YT233

TF
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On the wall I removed the tiles from this is the wall where the 3.5mm slabs are going. However, there will be a difference in depth between the old tiles and the slabs.

The total depth of the existing wall tiles is about 30mm this is tiles, https://www.tilersforums.com/forums/tile-adhesive/ and boarding. Now my new depth with will be 12.5mm plus 3.5mm plus about 6mm https://www.tilersforums.com/forums/tile-adhesive/?? This adds up to roughly 22mm I am 8mm short.

To compensate for this difference in depth can I put some plastic packets behind the wedi board to gain the extra 8mm?
Broadfix Levelling Shims Kit Assorted - https://www.toolstation.com/shop/Screws+%26+Fixings/d90/Frame+Fixings/sd1950/Broadfix+Levelling+Shims+Kit/p43092
 
W

Waluigi

Have you put a straight edge on the existing tiles?

You want to get your new ‘tile’ perfectly flush with the existing tiles? First thing is see how flat the tiles are. And how level the joint is. It has to be perfect
 
H

hmtiling

On the wall I removed the tiles from this is the wall where the 3.5mm slabs are going. However, there will be a difference in depth between the old tiles and the slabs.

The total depth of the existing wall tiles is about 30mm this is tiles, https://www.tilersforums.com/forums/tile-adhesive/ and boarding. Now my new depth with will be 12.5mm plus 3.5mm plus about 6mm https://www.tilersforums.com/forums/tile-adhesive/?? This adds up to roughly 22mm I am 8mm short.

To compensate for this difference in depth can I put some plastic packets behind the wedi board to gain the extra 8mm?
Broadfix Levelling Shims Kit Assorted - https://www.toolstation.com/shop/Screws+%26+Fixings/d90/Frame+Fixings/sd1950/Broadfix+Levelling+Shims+Kit/p43092
6mm https://www.tilersforums.com/forums/tile-adhesive/ bed is a lot. You'll want a 2/3mm solid bed
 
D

Dumbo

On the wall I removed the tiles from this is the wall where the 3.5mm slabs are going. However, there will be a difference in depth between the old tiles and the slabs.

The total depth of the existing wall tiles is about 30mm this is tiles, https://www.tilersforums.com/forums/tile-adhesive/ and boarding. Now my new depth with will be 12.5mm plus 3.5mm plus about 6mm https://www.tilersforums.com/forums/tile-adhesive/?? This adds up to roughly 22mm I am 8mm short.

To compensate for this difference in depth can I put some plastic packets behind the wedi board to gain the extra 8mm?
Broadfix Levelling Shims Kit Assorted - https://www.toolstation.com/shop/Screws+%26+Fixings/d90/Frame+Fixings/sd1950/Broadfix+Levelling+Shims+Kit/p43092
Use a thicker light weight tile backer board something like Jacko board or Marmox board
 
W

Waluigi

Pack out with long strips of either ply or plasterboard. It sounds like 9.5mm plasterboard might be suitable?

Doing use packers as you have to pack along the whole length, not just where the screwed are going.
 

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