Help with Hardiebacker

Fenner81 · 19 Oct 2015

Hi

I'm currently building a corner shower in my bathroom and have decided to use 6mm hardiebacker on the wall. I know you're meant to use 12mm for walls but I can't due to space. I contacted the manufacturer who said it was ok to use 6mm on walls as long as it has enough studs behind it. I was going to put the studs at 400mm centres but am now worried this wont be enough. Does anyone have any ideas about this?

Thanks

PrenticeBoyofDerry · 19 Oct 2015

400mm centres will be fine.

Paul C. · 21 Oct 2015

For the 12mm the studs can be 400 maximum. 6mm, although not recommended by hardie, i'd be concerned about it flexing.

I'd try 200 or 300 if i had too, but if you stick to 400, don't slip and go head-long into it or your tiles may just wobble loose.

What is preventing the 12mm?

tictic · 26 Oct 2015

400mm centres will be fine for 6mm use dwangs also,...and stagger your backer boards an it will be fine ie brick bond ur boards

ree · 27 Oct 2015

Use blocking or double studs at inside corners to give a full edge fixing for the boards, and similar where the shower enclosure jambs fix to any stud walls ie make sure that they are pinned to studs not thin air.

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Help with Hardiebacker

Fenner81

PrenticeBoyofDerry

Paul C.

tictic

ree

DIYnot Local

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