Possibilities For Underfloor Heating Over Marine Ply

[linton1990]

Evening,

I am doing a job for a customer which i have been dreading!!!. Tilling the floor of their ensuite loft room bathroom. The loft room has been recently built, and has been boarded with marine ply. My plan is to screw the ply every 100mm along each joist, (joist centres are 300m). I was then going to use Ditra or Dural matting over the marine ply, to stop any cracking from movement. Then tile over the top of this with max fibre flexible tile adhesive. However I'm going to throw some underfloor heating into the mix. Now the big question, do i just put the warmup matt down, self level over, then fit the Ditra/Dural matting as explained. Or do i get the Ditra heat matting, which combines the underfloor heating and the decoupling matt, then tile straight over the top? I have only ever laid underfloor heating and then self levelled over the top. However as this is a new loft conversion I'm concerned about movement as you can imagine. Sorry for waffling on I hope this makes sense, and i look forward to seeing what ways other people would tackle it.

 

[Ajax123]

i think given the nature of the construction you would be well advised to check the floor for any bounce or deflection due to the joists moving. No amount of ditra or flexible grout will save you from that.

 

[Andy Allen]

Ply.....insulation boards. ...heat mat ....slc......depending on tile type......decouple and tile or just tile....

 

[widler]

I hate to say it, but I agree with Andy

 

[Old Mod]

Ply.....insulation boards. ...heat mat ....slc......depending on tile type......decouple and tile or just tile....

@widler
Think he's gone soft you know!!!

 

[Andy Allen]

You know you love me....

 

[Old Mod]

You know you love me....

Haha I'm not sure I even know you anymore! Hahaha

 

[Lee@emctiles]

Ply to make floor stable.

then use VarioPro.


#itsthefuture

 

[widler]

Ply to make floor stable.

then use VarioPro.


#itsthefuture

How much is it lee compared to matt ???
I know it will be dearer but does the extra money on top with this system make it around the same as insul boards,matting then SLC?

 

[Lee@emctiles]

have you ever priced up ditra heat? well, its nowhere near that price!

 

[Old Mod]

have you ever priced up ditra heat? well, its nowhere near that price!

Yeah I have.
37m Schluter 10mm boards and 30m Ditra E £3000.00!