Q for Mudster

Discussion in 'Other Trades Talk' started by Boxer Red, Oct 28, 2005.

  1. Boxer Red

    Boxer Red New Member

    From the posts iv'e read, you seem to be a pro with tiling. My question is, and i know i asked a similar q a while ago, a cust wants upstairs bathroom floor tiled. The floor at mo is 18mm thick 8x2 t&g floorboards. Is this suff to tile? last thing i want is grout cracking because of flex.
    Any advise?
    BR
     
  2. handyman.

    handyman. New Member

    I could post some links for you and advise as i know the answer as well, but seeing as this question is exclusively for mudster..........
     
  3. Stevemastic

    Stevemastic Member

  4. Boxer Red

    Boxer Red New Member

    Sorry everyone else, i consider my wrists slapped. Any ideas then?
    BR
     
  5. nearnwales

    nearnwales Member

    make sure the boards are fixed right then you need to lay 4 mm ply ontop fix it down and tile ontop

    Andy
     
  6. Boxer Red

    Boxer Red New Member

    Don't bark at me, but what is 4mm of ply gonna do to help?
     
  7. As a minimum you need to fix 12mm ply, screwed every 150mm.

    You need to use flexible adhesive and grouts.

    If you do a search on here you find stacks of additional info
     
  8. Boxer Red

    Boxer Red New Member

    If i put 12mm on top of existing, it'll cause a step at the door. How'd i get around that?
     
  9. nearnwales

    nearnwales Member

    use 4 mm ply mate
     
  10. bathstyle

    bathstyle Active Member

    4mm ply is over engineering, I'd try some 3mm hardboard fixed with staples.
     
  11. handyman.

    handyman. New Member

    nearnwales, are you a gippo?
     
  12. handyman.

    handyman. New Member

    you must be a gippo, as putting 4mm ply down would actually make it worse, you idiot. It would be better to screw down whats there than cover with 4mm ply.

    You do keep me in a job though, you gippo mental case
     
  13. handyman.

    handyman. New Member

    4mm ply is over engineering, I'd try some 3mm
    hardboard fixed with staples.

    what staple gun do you use bstyle? That sound more like the method to use ;)
     
  14. magical trevor

    magical trevor New Member

    this is a classic!!! thanks guys , you made me laugh!!! :)
     
  15. There are a number of ways of reinforcing a floor.

    I'll give you the options I use. I generally fit natural products which require more rigidity in the substrate than ceramics, so these will be slightly overengineered for ceramics.

    1/ Remove all the floorboards and replace with 18mm WBP ply then overboard this with aquapanel which is glued and screwed using rapid set flexible tile adhesive. I tend to do this if the floorboards are shot.

    2/ Remove all the floorboards and replace with 25mm WBP, bracing any joints that fall across joists with noggins. I tend to use this method if I'm building a wet room and require a seamless floor but it can be a nuisance trying to cut back all the boards around the perimeter especially if the are supporting block walls.

    3/ If the existing floorboards are nice and solid then glue and screw aquapanel directly to them. (or simply screw plywood directly to them for a porcelain or ceramic tile.

    N.B.

    The glue under the aquapanel is not there to adhere the two surfaces together, the screws are doing that, it's actually there to take up any voids a remove all localised movement, a useful side effect is it actually glues it very well also, this gives a similar rigidity to screwing 18mm ply over floorboards but with a smaller height increase.

    At no point do you need to use marine ply, WBP is fine.

    Aquapanel thermal is not structural, so if your using underfloor heating and decided to use this, it has to be added to any of the above options and does replace any of the reinforcement.
    Back to top
     
  16. panlid

    panlid New Member

    and god said "let there be light" and there was mudster with the sun shining out of his ar*e;)
     
  17. handyman.

    handyman. New Member

    mudster, would you use 4mm ply then?
     
  18. Maybe lining paper and double sided sticky tape - minimalist approach
     
  19. and god said "let there be light" and there was
    mudster with the sun shining out of his ar*e;)


    Should I change me name to The Rev Mudster?

    :)
     
  20. bathstyle

    bathstyle Active Member

    Nail the floorboards down and paint with gloss (non drip)
     

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