suspended

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    Floor preparation - suspended floors

    Sorry this has probably been discussed to death here in the past but... I have been preparing suspended floors by over-boarding with 6mm backer boards then applying a decoupling membrane. I understand this to be the method for chipboard floors but is this excessive for say, tongue and groove...
  2. M

    Tiling in a room with suspended and concrete floor, with under floor heating

    Hi. We are tiling a ground floor kitchen that is half suspended floor (100x50 joists on 300 spacing, with supports every 1200mm) and half concrete slab. The concrete slab has just been poured and once insulation has been added, it will have UFH pipes buried in the screed top layer. The tiles to...
  3. R

    Polystyrene suspended floor

    Hi all, Try and keep this short, new build garden room with concrete screed is joining up to an existing kitchen. Kitchen is currently Amtico, ripped up to reveal, 6mm ply, then 22mm chipboard and then polystyrene and then concrete, does anybody know anything about polystyrene suspended floors...
  4. M

    Tiling Dipped Wooden Suspended Floor

    Hi, I am looking to tile my fathers new kitchen. The kitchen is situated on the first floor of a detached 1900's property (split into 2 flats), with a suspended, original timber boarded floor (which we have screwed down). The area is approxrimately 4m x 2m. I am hoping to lay 330 x 330 mm x...
  5. C

    Best Option For Timber Suspended Floors

    Which option among the 2 is best for UFH on timber suspended floors
  6. T

    Wet Ufh Suspended Timber Floor

    This floor has wet heating installed in the cement between the joists. What would be the best way to tile over a floor like this bearing in mind height needs to be kept to a minimum. Normally Id just suggest over boarding it but, all the products I know act as an insulator which isn't...
  7. F

    Advice Pls - Removing Tiles From Suspended Wood Floor

    Following a burst pipe I had Qty 10 bathroom floor tiles 'lift' due to a sodden underfloor that the tiles were no longer bonded to. I've removed the tiles and cleaned up the chipboard floor underneath to make it free of adhesive and to allow it to dry out. It was a bit of a bugger of a job...
  8. B

    Suspended Timber Substrate For Wetroom?

    Hi, New to the site, but been lurking for a while and I'm after a bit of advice about timber floors. I'm in the process of converting my bathroom into a wetroom. It's a first floor bathroom with a timber floor, approx 3m x 1.7m with joists span the shorter distance. My house is a bit old and...
  9. I

    Suspended floor - Can it be tiled?

    Evening folks.... I have a slight issue I could do with another opinion on. I priced a job a few weeks back to install travertine over a timber floor. Included in the price was the supply and fitting of a decoupling membrane and the removal of the existing floor coverings (carpet and...
  10. J

    Tiling extension. Suspended timber floor. Use 22mm chipboard?

    I have a extension that is approx 20m2. The floor will be suspended timber, with wet UFH fitted below. Joists are at 400mm centres, and span about 2.6m I was going to fit 18/22mm chipboard over. I am reluctant to over ply, as it will reduce heat transmission from the boards, and I have very...
  11. J

    best preparation for over laying 20-40mm stone over suspended subfloor

    I have quoted for a job where the antique reclaimed marble will vary between 20 to 40mm. bedding marble on a solid substrate is no problem but this floor will be laid over a suspended subfllor in an old manor house. Room size is approx 100.00 sq mts. I cannot fix marble over ditra on top of...
  12. R

    Suspended floor with wet UFH query.

    Been to see a job tonight, 2 1st floor bathrooms tiled by a builder in a barn conversion. Needless to say its a poor job and they want them re-doing properly. They've already had a 'tiler' in (off one of them ratings sites) to repair cracked grout and of course its cracking again. It looks like...
  13. M

    25x70mm battens for suspended ply subfloor for tiling? which wood?

    We want to make a suspended plywood floor in our ground floor for tiling: - existing concrete - vapour and radon barrier - 25 (H) x70mm (W) battens and insulation boards - 18mm hardwood plywood - 6mm backerboard - 30x60x9mm porcelain tiles DO YOU THINK 25mm BATTENS ARE ENOUGH? (I read that the...
  14. M

    large 60x30cm porcelain tiles on suspended plywood with backerboard?

    Dear Tilers Forum, On our ground floor - for various reasons, which I don't explain here, we want to put down: - existing concrete - vapour and radon barrier - insulation boards and 70x25mm wood battens - 18mm hardwood plywood - 6mm hardiebacker then the question: CAN WE USE LARGE PORCELAIN...
  15. P

    Under floor heating on suspended wood floor

    Hi folks I've got a suspended wood floor in my kitchen that currently has tiles on 6mm ply on top of the floor boards. I'm pulling the tiles up cos they're old and lots are broken and want to put electric under floor heating down then slate tiles. I've been reading and know the ideal would be...
  16. D

    Wet UFCH suspended timber joist

    It is my intension to install a "between the joist" wet UFCH system with 18mm T&G ply 330mm porcelain floor tiles. This is a ground floor and the sleeper walls are 1.2M apart. I had planned to use 145mm joists which i believe are incredibly rigid over this span (deflection less than length/1000...
  17. F

    825x550x20 limestone on underfloor heated suspended 12mm ply

    Hello fellas, I have a customer wanting to fix 825x550x20 limestone tiles on underfloor heated, suspended 12mm ply floor. Due to bifold doors, the height is restricted, so cannot overlay ply. I'm getting mixed advice from tile suppliers, underfloor heating manufacturers, and adhesive suppliers...
  18. G

    Tiling big black quartz tiles on suspended floor.

    My customer has 600 x 300 black quartz tiles to go into a new extension. The joists are massive (9" x 3" and I can't detect much in the way of movement), and the flooring is T&G green chipboard. My plan is to fit Ditra down with rapidset flex then tile. But what adhesive to use. The info with...
  19. M

    Tling over suspended wooden floor

    Hi all, I recently knocked through our kitchen dining room. The floor is a suspended wooden ground floor (flat edge floor boards) in a 1930's bungalow. I'm looking to lay 600 x 600 porcelain tiles, but I want to add as little as possible height to the floor as possible. The floor seems very...
  20. O

    Insulation question - suspended woodern floor

    Apologies if this is in the wrong Forum section, its kind of a substrate question! Im in the early days of planning a new kitchen with tiled floor and will have UFH over 18mm plywood and 10mm Marmox, with SLC then decent BAL adhesives. My question is regarding insulating between the floor...

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