Wet room over Wunda EPS Overfloor.

[JamesP]

Advice needed please.

Have a  22mm Caberdek on the first floor and plan to have a Wet room bathroom with UFH and a waterproof concrete floor.

No UFH under the shower former at the moment.

Is it possible to put a 20 -30mm screed on top of Wunda EPS with a Impey waterguard membrane between the two. 

Any info would be much appreciated.

Edited January 21, 2019 by JamesP

[Nickfromwales]

1 hour ago, JamesP said:

Advice needed please.

Have a  22mm Caberdek on the first floor and plan to have a Wet room bathroom with UFH and a waterproof concrete floor.

No UFH under the shower former at the moment.

Is it possible to put a 20 -30mm screed on top of Wunda EPS with a Impey waterguard membrane between the two. 

Any info would be much appreciated.

That’s pushing your luck imo. A screed at that thickness will need to be bonded with a very good primer. If I was doing a Wetroom former ‘hand-crafted’ then I would be using a flexible tile adhesive to bench it all in. ( just so happens that the next en-suite will be receiving a bespoke 900mm x 2700mm Wetroom walk-in shower test made from scratch by yours truly ). Wish me luck. ??

[CC45]

Good luck Nick

[Nickfromwales]

3 minutes ago, CC45 said:

Good luck Nick

It will be documented here for prosperity. 

"In for a penny...….."

[JamesP]

1 hour ago, Nickfromwales said:

That’s pushing your luck imo. A screed at that thickness will need to be bonded with a very good primer. If I was doing a Wetroom former ‘hand-crafted’ then I would be using a flexible tile adhesive to bench it all in. ( just so happens that the next en-suite will be receiving a bespoke 900mm x 2700mm Wetroom walk-in shower test made from scratch by yours truly ). Wish me luck. ??

Thank you Nick, I hoped you would reply. I look forward seeing your results. 

[Nickfromwales]

3 minutes ago, JamesP said:

Thank you Nick, I hoped you would reply. I look forward seeing your results. 

Lets just keep this between you and I