Discuss Plywood for tiling on floors? or Tile backer board? in the Tiling Forum | Tile Advice area at TilersForums.com

Hello everyone

I have a question reguarding ply for floors. It states that it has to be WPB but my question is where do you buy this ply from.

Jewsons ply does not state it is WPB and the ply in wickes says nothing too just that it's sutible externaly if coated with a protector. Please can you tell me where I can buy this stuff from :)

Many Thanks
 

jcrtiling

TF
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What do you want it for. If you're overboarding there are better products out there
 
  • Thread Starter Thread Starter
  • #3
Hi

Its for over boarding, I would prefer to use ply for this job I was just wondering where sells the ply needed?

Many Thanks
 

jcrtiling

TF
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Tilers' Arms Member
Hi

Its for over boarding, I would prefer to use ply for this job I was just wondering where sells the ply needed?

Many Thanks
You are far better off using a tile backer board , it's easier to cut ,easier to handle , needs less screws , tiles stick to it better and it's quicker. Do you realise the bs for ply is glued and screwed at 150 centres thats about 180 screws per sheet and also the minimum thickness for overboarding is 15mm , no one stocks it so you will be using 18mm .
 
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  • #6
Thank you for all your replys, I think.i have found the information I was looking for.

Even tho the ply in the shops don't have on them WBP as long as there are external grade that means they are WBP from what I see online.

I will use some 12mm ply from wicks to over board, I don't mind the gluing and screwing every 5". It's being paid over the top of 18mm structural ply.
 

impish

TF
Trusted Advisor
Tilers' Arms Member
Ply is no longer recommended for tiling onto. Wbp/marine ply is very dodgy now.
There is a specific flooring grade ply available but it's very expensive.
I wouldn't use ply nowadays.
The veneers are very thin and often contaminated with wax and oil to prevent sheets sticking in transit from hot sticky countries.
Very risky to use ply these days.
 

Localtiler

TF
JOTM Winner
Trusted Advisor
Tilers' Arms Member
Why are you adamant about using ply wood ? The worst thing you could use to overboard
 

pjc

TF
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You need to ask a chippy not a tiler. Tilers can only give tiling advice.
 

impish

TF
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What's the floor area? What is it's current construction and what are you fixing onto it?
 

Localtiler

TF
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The principles are, you fix the floor and remove any movement, then you over board to create a good tileable surface.
 
  • Thread Starter Thread Starter
  • #14
I though that overlaying the floor with ply glueing the bottom down and screwing every five inches would tie the floor in adding more strength? That's how I have always seen it, okay so I won't ply it then. What do I lay over the top and how do I fix it down please to prep for tiling?

Many Thanks
 
  • Thread Starter Thread Starter
  • #15
Can I ask, most jobs I do the floor is either 18 or 22mm chipboard. Do you just lay backer board over the top of this floor and tile?

Many Thanks

Daniel
 

jcrtiling

TF
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Yes make sure the existing floor is screwed down first and has no movement and then fix as per manufacturers instructions .
 

Localtiler

TF
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Tilers' Arms Member
Put a glass of water on the floor filled to the brim and walk around it and see if there's much movement. 6mm Hardie backer is a good option how many M2 is there ?
 

jcrtiling

TF
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Also if you're on about overboarding your ply floor you should make sure all the joints in the ply are supported with noggins.
 

Brian the Tile

TF
Tilers' Arms Member
Nothing wrong with ply ,make sure you use the right thickness and screwed every 4" square then seal with good quality sealer and use quality adhesive you wont go far wrong
 

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