marmox backerboard

  1. A

    marmox corners

    Hi, I'm in the process of installing a wetroom based upon marmox showerlay. base down and multiboard up. question i have is around the waterproofing, for which i have the marmox waterproof tape and internal corners. Can anyone confirm what the right procedure is to secure the internal corners in...
  2. K

    Marmox Boards Advvice

    Hi could I use 6mm Marmox Boards on an upstairs chipboard wetroom floor that will then have u/f heating installed and then tiled or should it be 10mm
  3. P

    Wedi/marmox showerlay

    Hi all First post here so please be gentle! I am about to start on a refurb of our ensuite. Have a couple of questions. I am planning to mount the showerlay tray on a raised plinth 4*2 timber, 18mm wbp and then the showelay former. On the walls I am mounting wedi board 12.5 mm on to the stud...
  4. L

    Self-leveling compound **ON TOP** of Marmox boards

    Hello I am new to the forum and would appreciate some expert advice. The question is: Is there some kind of self-leveling compound that can be used ON TOP of Marmox boards. Having just knocked down a dividing wall, I find that one floor (already insulated with Marmox) is LOWER than the other...
  5. C

    Marmox to plywood floor

    Probably been covered but want to fix 6mm marmox boards to plywood floor and I believe both adhesive and marmox screws and washers but was wondering if the adhesive should be a solid bed or combed and can I just use a slim bed? also will be fixing UFH to the marmox once fitted and therefore...
  6. F

    Marmox or Hardie backer ?

    Not posted for a while . I've bought a small flat for me and the wife needs a complete reform , one of the jobs is the bathroom , the photo shows the the basin and wc , what i plan on doing is taking the old pipe boxing away and basically raising a new frame to the level of the window and tiling...
  7. J

    Advice on bathroom stud wall & floorboard prep, Marmox, Hardiebacker

    Hi, I'm after some advice on preparing the walls and floor of a bathroom for tiling. I want waterproof boards around the shower, and I'm currently going with Marmox. First question is on the stiffness of the Marmox boards: are 12.5mm boards really OK to go straight onto stud walls? There won't...
  8. R

    Tiling Marmox shower tray

    Hi all I'm just about to tile a Marmox pre formed tray done it loads using 50x50 mosaics customer has bought 100x100 just wondering if these are too big? Customer doesn't want them cutting across the fall as you would do with larger tiles any ideas?
  9. N

    Slate, stud and marmox

    Hi all, first post so play nice! I am about to start a rebuild of our bathroom. It is stud walls on all sides with plasterboard. The floor is T&G chip board. Due to leaks over the years I am going to have to replace the floor boards. Along one wall we have stud box work covering the pipes...
  10. D

    10mm Marmox on shower stud walls?

    Just ripped a shower out and the walls were standard ply just tiled straight on top (hence all the tiles falling off!). It would be handy to grab another couple of mm due to the new tiles being a lot thicker, so I was going to use 10mm Marmox board. Sounds like it's suitable according to Marmox...
  11. U

    Retile after tile removal damaged Marmox board

    I needed to replace 3 tiles and in removing the old ones the backer board has got damaged - the tiles were on Marmox board so it damages fairly easily. I'm guessing there is no way to effectively repair the board so I think the way forward would be to remove the existing board that is exposed...
  12. K

    Hardiebacker or marmox

    Evening. Any thoughts on which is the most rigid surface to overboard with. 6mm hardie screwed and on adhesive or 6 or 10mm marmox screwed and on adhesive Cheers. Kevin
  13. Z

    Marmox Boards on the Floor andUFH

    Hi Everyone DIying my first bathroom with a level access marmox shower tray and boards for floors and walls so in at the deep end! I am using 25mm WBP ply screwed at 200mm with noggins at 600mm (ply edges) - we only need 2 8x4 sheets and one cut down 8x1 (width of room pretty much 2400mm plus...
  14. R

    Installing marmox to concrete floor

    Good afternoon. I've got to tile a downstairs bathroom floor which will be having under floor heating (ditra heat mat ), the substrate is concrete. I'll be looking to overboard with marmox to make the UFH more efficient. My question is is how would you install the marmox, is it a case of just...
  15. J

    Best adhesive for fixing Marmox boards to bathroom chipboard floor

    Hi, I was going to use some Mapei Super Flexible Adhesive I have kicking about (which I've just found out is specially fomulated for B&Q - which is ringing alarm bells as I'm sure it will likely be inferior). I rang Mapei and they said dont use that! Instread, sand the floor to create a key...
  16. I

    Dot n Dab Marmox

    Is it okay to Dot n Dab 6mm Marmox to walls (screw fixing through the dabs) or does it need to be thicker than the 6mm? Edit. Answered my own question - Marmox web site says 12.5mm for dot n dab, any thickness for continuous bed.
  17. B

    marmox boards on chipboard floor - fixing

    evening all , been asked to fit marmox boards onto chipboard floor before fitting warmup heating . what is best way to fix boards to chipboard? ( dont like chipboard !!!) normally i use no more ply or take up chipboard and replace with flooring grade ply screwed to joists. what adhesive to use...
  18. K

    Marmox board suppliers in scotland?

    Hi all, Cracking through tiling job today, however have underestimated the amount of marmox board required - ideally would like to carry on tomorrow if poss, especially as only need a small amount to finish. does anyone know where I can buy marmox board in scotland (ie rather than wait for...
  19. judge

    Marmox plastic washers.

    Evening gang. Would there be an issue laying loose ufh cable over the top of plastic marmox washers i am glue n screwing to an upstairs chipboard floor.Or should i try and work the cable around them instead ?( The main reason i ask is the slight height difference itll make.) Obviously ill be...
  20. K

    Taping marmox boards before slc

    Quick question - after installing marmox and taping, do I need to trowel joints with adhesive or anything before slc or is fibreglass tape enough?

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