New member looking for wet room installation advice. - Tile Advice

[Plumbone]

Hi Guys, I'm an old boy, new to this forum & still learning on the job after 17 yrs! Good or bad time will tell,looks like I have just bought the same wet tray former kit as the man in the 'tiler made a mistake tiling a wetroom tray' thread(see pic)
Gunned up the screed & oversight & plonked it in. My question is if I bitumen the oversight then screed with Ardex 35the areas outside the tray. What would be the best adhesive to set the tray in bearing in mind I was going to bitumen the oversight under there as well? The supplier suggest something like Weber spf, how's that gonna work with the bitumen coated concrete? Cheers in advance.

 

[Flintstone]

What you doing using bitumen??

 

[Plumbone]

I havent yet, the suggestion was paint on something like black jack?

 

[Flintstone]

There are a lot of good quality tanking kits out there, such as Ardex wpc to tank the walls and floor area prior to tiling.

 

[One Day]

Patch the walls and floor using something proper, i.e. containing sand and cement!
Then tank the wet area using Ardex WPC and tape all the joints / gaps around the tray using the same stuff.
That's a total mess as it is and I wouldn't waterproof it until it's straightened out.

BTW - What's oversight?!

 

[Flintstone]

Bloody plumbers ey !

 

[Plumbone]

Thanks for the advice my Imperial friend, the whole room is being bonded & skimmed prior to tanking. Oversight I believe is the term for the rough concrete found under the screed . As I had broken into it I thought the dpc might be compromised, hence the suggestion for coating it in waterproofing before re- screeding. Is my thinking correct that as the tray itself is waterproof & all of it will be taped & tanked, one doesn't need to be concerned about underneath the tray?

Ps. Yorky, my tiler was glad to know this bloody plumber when he dropped a porcelain tile through the customers new bath!

 

[Flintstone]

Yes the tray is water proof, tanking the walls and using the tape to seal any joints and gaps is correct. I would advise against skimming the walls unless your using ceramic tiles as that will reduce the weight limit to 20kg per m, including your adhesive.