Discuss Decoupling mat required? in the Tiling over Electric Underfloor Heating area at TilersForums.com

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Howdy. I'm in the middle of a DIY upgrade of a 1st floor shower room, which is around 8m2. So far i have lifted the 22mm chipboard and fully strengthened/screwed on all joins. installed 10mm XPS boards and leveled across a 1500x900 tray former. Electric UFH fitted and just at the weekend there i have embedded the UFH in Mapei SLC. So leaving the SLC to dry for a week or so, i intend to fully tank/tape using the kit supplied with the tray (PCI Lastogum), then tile with 330x330 ceramic floor tiles.

Should i be considering a decoupling matt, or do you think tank and tile will be sufficient?

My first ever use of SLC, and i couldnt have done it without the sound advice on these forums!!

Your advice appreciated.
 
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F

Flintstone

No need for uncoupling. Make sure you tank the SLC beyond just the joint of the shower tray.
 
Joined
May 16, 2019
Messages
79
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Location
Aberdeenshire
  • Thread Starter Thread Starter
  • #5
No need for uncoupling. Make sure you tank the SLC beyond just the joint of the shower tray.
Thanks. Would you normally use a sealing strip on the transition between tray/SLC, or would tanking alone be sufficient?

Could of used ditra heat ,two birds one stone
The joys of DIY. You find out the best way to do the job after you've done it :)

Al
 
F

Flintstone

I would use the tape on that joint yes
 

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