Tile on 2 different substrates. - Tile Advice

[francesco]

Could someone advise me please?
One floor is concrete, the other one is plywood supported by a metal structure underneath (extension area)
My plan is to get the 2 floors level whit cement boards, then apply floor leveler, go over the area with DITRA Matting and install an expansion joint where the 2 floors meet.
Finally tile over the whole thing. Please, advise anyone?

Thanks guys

 

[widler]

2 ways imo , cement board the lot(making sure the wood floor is solid)span the break in the floor with boards,SLC,Matt if you want and tile,option two, board up to each side of the crack,slc, leaving the gap , Matt up to each side of the gap if you want, then tile up to each side of the gap and silicone or use a expansion joint bead

 

[J Sid]

2nd option

 

[francesco]

Thanks Widler,
Really appreciate your help. After leveling the 2 substrate, what if I run the Ditra from side to side of the floor without a gap, and put an expansion joint right where the 2 floor meet?
Thanks

 

[francesco]

I'll go for the second option,
Definitely cut the ditra and install a movement joint where the 2 floor meet.
Thanks for helping!

 

[widler]

Yes, if your going to put the joint in, run it right through, no point in it being there otherwise

 

[francesco]

Thanks guys, really helpful!

 

[francesco]

Hi there,
Sorry for being a pain! I was looking into Schluter Expansion Joints, not 100% sure which one to use. First or second photo?
Cheers

 

[J Sid]

2nd option

 

[francesco]

Thanks Julian! Just want to make sure to leave a good job behind me, and a happy customer

 

[hmtiling]

I would only board the timber side then slc the concrete. Use a colour coded soft(silicone) joint where they meet if domestic.

 

[francesco]

Hi guys,
Job finished and client very happy!
Just wanted to say thank, and how much I appreciate your help and advise from everyone.