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-> Tiling Forum |
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PeterVincent
Junior Member
Joined: 19 Jun 2008
Posts: 43
Location: Ireland
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 Posted: Mon Jul 28, 2008 10:05 am Post subject: Tiling in hallway |
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Hi,
I wish to tile in a hallway over existing floor boards. I do not want to raise the height by too much and I am wondering if I overlay 4mm marine ply screwed into the joists and boards, and a flexible adhesive can give a satisfactory result.
The alternative is to remove the existing boards and fit 18mm marine ply, this is something I am not in a rush to do if the 4mm on top of boards will be just as good.
Thank you,
Peter |
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bathstyle
BATHROOM DESIGN AND INSTALLATION
Joined: 17 Jan 2006
Posts: 787
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| Posted: Mon Jul 28, 2008 3:26 pm Post subject: |
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If you're using a ceramic or Porcelain tile then 12mm ply minimum over floorboards.
If removing boards completely then it's got to be 25mm ply I'm affraid. |
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PeterVincent
Junior Member
Joined: 19 Jun 2008
Posts: 43
Location: Ireland
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| Posted: Tue Jul 29, 2008 2:01 pm Post subject: |
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Hi Bathstyle,
Pardon my ignorance, what is the purpose of the plywood?
Is it to stiffen up the floor? Is there a more forgiving adhesive for floors without the required stiffness?
The floor is ~ 2m X 2m and it certainly seems solid to me in comparison to tiled kitchen floors I have looked at.
Many thanks,
Peter |
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bathstyle
BATHROOM DESIGN AND INSTALLATION
Joined: 17 Jan 2006
Posts: 787
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| Posted: Tue Jul 29, 2008 3:26 pm Post subject: |
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It basically holds the floor together, strengthens it and lets it move as one complete piece, any localised movement in the floor (if tiling straight on floorboards) and the tiles/grout may crack.
A lot of Adhesive manufacturers recomend using an elastomeric adhesive straight onto floorboards but personally I don't like it and it costs an absolute fortune to buy |
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