Hi all, just installed a marmox showerlay for customer & now tanked & ready to tile, however customer has now changed her mind on floor tiles on tray from 100mm travertine to 10mm glass mosaics. this wouldn't normally be a problem except that i know small mosaics can indent into this type of tray (ie sink into foam structure). explained this to customer but she now has her heart set on glass mosaics. I now need to somehow strengthen tray with a harder but thin layer which hopefully wont involve retanking. All i can think of is some kind of mesh or perhaps 6mm hardiebacker formed to tray & stuck with good adhesive say keraquick or similar, any suggestions greatly appreciated.

Yep.. 50mm minimum for mosaics...?

yep marmox state 50mm minimum & boards are quite easy to dent with knee etc wonder if thin hardiebacker board between tray & tile would work....

Probs to late now but the Marmox showerstone tray would have been an option..

If you use hardi then can the drain cover still adjust to suit the extra height.. not used marmox tray for a while so not sure on what adjustment you have.. i think it is fixed isn't it.. apart from the plastic spacer

Or you tell the customer to either change the mosaics or stump up for a suitable tray.

Dave the tiles are 5mm thick & hardiebacker 6mm so would sit well with drain, just concerned whether there would be problems with hardiebacker sandwiched further down the line?

Not something I have had to do, so cannot say whether it will work and last
IMO she needs to re-choose

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