Quartz Tiles on Marine Ply

[David Dudley]

Hi.

Have just bought some Gulf Stone black quartz tiles for my bathroom floor.

It is 18mm Marine Ply directly onto joists screwed at 150mm and deflection free.
I was planning on using Dural C+ membrane.

Couple of questions please- I plan to lay these at the end of the week and need to get my adhesive, etc.


What kind of primer do I need for the ply?
Is a single parf flex adhesive suitable or do I need a latex based adhesive?

I'll clean each tile as I go.

I plan on sealing after I have laid them but before I grout.

My misses wants white grout, and as I suggested it will get dirty quickly I thought if I used Mapei Epoxy grout then it should stay clean.
Is there anything I need to be aware of using epoxy grout with these tiles?


Thanks.
David.

[Dave]

Hi David.

No need to prime the surface of the ply, it would have been ideal for humidity to prime reverse side and edges.

With these agglomerate tiles I would use Mapei elastorapid , Dural CI+ would be wise straight onto timber that is likely to thermal expansion.

No need to seal those tiles , gulf stone quartz are a resin based tile and factory finished.

[David Dudley]

Thanks Dave.

I'll get the Dural ordered from PHG today.

What size trowel would I use for the tiles? I was thinking 10mm sq notch and back butter. I had a look at the tech sheet but it doesn't really specify although it does say that you can use up to a 10mm bed.

Also what size trowel would I use for laying the Dural? Would I use the same trowel and same adhesive or could I get away with a smaller trowel?

Thanks for your help and sorry for the simple questions - I'm trying to get eveything correct so that I don't have to come back here crying for help if it goes wrong


PS Any reason not to use Kerapoxy with these tiles?

Thanks again.

[Del W]

10mm u notch for tiles.pull up one every now & then to check coverage.4mm trowl for matting.cant say about kerapoxy.

[Dave]

Ye, as above you will be ok with a 10 mm trowel and back skim the tiles as well... yep, 4mm trowel and same adhesive on the matting , leave to dry then you can tile,if you don't leave the matting to dry and you tile and have any tiles to lift/adjust you will pull the matting with it..

As for kerapoxy.... if you have not used it before then might be wise to stick with ultra colour..