What size ply?

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Every Little Helps
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What size ply?

Post by Every Little Helps »

Good afternoon all,

I have just laid WR chipboard down in the bathroom, i know i know should have used 25mm marine ply but to late now so i am going to lay 6mm ply down befor i fit UFH and tile.

Question is, is 6mm ply ok or should it be min 8mm?
tictic
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Re: What size ply?

Post by tictic »

6mm wbp ......no
8mm wbp........no

couple off things...

what type of tiles/size off them
what size off area...
joist spacing and spans...

let me know the above...
Every Little Helps
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Re: What size ply?

Post by Every Little Helps »

Answers below:

- 300x300, Travertine tiles
- Room is 4mx2.5m
- Joists are 300mm apart.

Much appreciated for your helps
tictic
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Re: What size ply?

Post by tictic »

ufh and travertine tiles.....

your going to need an uncoupling membrane ...ditra....

mate rip up that chipboard and replace with 18mm wbp then a 10mm insulation board...will be cheaper in the long run....

with stone tiles/ufh and "chipboard" its a failure waiting to happen imo.
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