hardibacker and plywood do I use both or not

vicster77 · 23 Mar 2015

Hi I am tiling our bathroom floor with 60cmx60cm polished porcelain tiles I have bought the 6mm hardibacker board, I am keeping the floorboards down do I still need plywood as well and if so would I get away with either 5.5 or 9mm seeing as I have the hardibacker as well. I'm worried about a big step into the bathroom if I have any bigger as my tiles are 1cm thick too

tpt · 23 Mar 2015

no, you just use hardie. screw the floorboards down well first if they arent already

Cenci · 25 Apr 2015

How did you get on with this?
I have the same issue. I have already bought my 6mm hardiebacker which is going down onto chipboard. Was wondering if I should also add a layer of ply?

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hardibacker and plywood do I use both or not

vicster77

tpt

Cenci

DIYnot Local

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