cement board

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  1. O

    Cement board vs ply under tiles for wet UFH system

    Hi there, we have just installed a Hetta UFH system.. they recommend a 6mm plywood over the top before tiling. I called them and they admitted that ply is a poor conductor. Does anyone have any experience with cement board (such as Hardie backer or similar) to improve thermal transfer in these...
  2. B

    Crack mat or cement board

    Got a 100m2 floor to do in 900x900 , floor is chipboard with underfloor heating below, floor is very sturdy no deflection, I've always thought dura base matting more for screed and cement boards for wooden floors. Which is best option to go with for belt and braces
  3. relatively smooth

    Will batten on Cinderblock hold Cement Board+ mortar + 4x4 tiles.?

    I'm thinking maybe not? I'm used to cement board so my go to. Maybe I can cement board the rest and use a different substrate for this wall that's lighter? Or will it be okay? Maybe a sheet of plywood gives it more support? Do I screw in 2×4 into cinder instead? Thoughts? Photos...
  4. S

    Advice/sensecheck on floor tile preparation - backerboard and ditra?

    Hi, Can't seem to find a solid answer as I realise so much depends on multiple factors. I'm planning to tile my kitchen floor with 8mm porcelain floor tiles (660x440mm). My kitchen floor is mostly wooden floorboards (house built in 1925), with a strip of concrete along the party wall from...
  5. S

    Managing Transition from Cement Board to Plasterboard in bathroom

    Hi all, Have been here in the past for a previous job some years back, but back again to get some great advice on my next job. I'm renovating my bathroom. Existing wet areas around shower and bath appear to just be plasterboard (!!) so I am looking to cut out the existing plasterboard for the...
  6. R

    Knauf Cement Board Odour

    My contractor has put down some Knauf cement board in my kitchen to prep the floor before tiles. The product smells very strong like ammonia/ chemicals. Is this normal for this product? Im Assuming that it won’t be apparent after tiling/ grouting?
  7. D

    Help! Need to add shims for proper hardiebacker placement, but then wont be flush with dryway area

    Hi everyone. First time poster and tile diy. Thanks in advance for any and all help, tidbits, and words of wisdom on my project. I'm renovating an original 1957 bathroom in west Hartford ct. In order to place hardiebacker / cement board properly juuuust over the lip, I have had to add...
  8. G

    22mm No More Ply or ply and cement board

    Hi All, I’ve searched endlessly for an answer to this and can’t seem to find an answer, so I thought I’d bite the bullet and ask. We’re redoing our en-suite and have found that the existing flooring has completely disintegrated, so it’s gotta go. We’ve got two options: 22mm No More Ply...
  9. H

    Tiling exterior concrete floor - which backer board to use?

    Installing tiles 400x600 over an exposed exterior cement screed - it has 20mm fall over 2300mm length away from house (5750mm width) but there might be little pits and bumps of a couple mm or so. Tiling directly on the screed seems risky to say the least outside with temperature fluctuations and...
  10. P

    joining plasterboard and cement board / hardiebacker

    Good Afternoon, we're ready to start prepping the wall for tiling. it's in the shower and it's all going to be tiled. what should you use to join cement and plasterboard together? ive read that plasterboard is tape and compound and cement board is alkaline tape with thin set (though...
  11. B

    Which cement board tape?

    I used to use Fibatape buts its a nightmare to get hold of now, what do use guys use? That orange stuff?
  12. S

    Cement board and redoing tanking

    Hi all, 13 years ago I placed cement boards in the shower area on an old style shower tray. I have just removed all tiles and the cement boards with the 'rubberised' tanking has held up well - (more than I can say for the plasterboarded walls elsewhere in the bathroom. I intend to put a...
  13. D

    pls advise- best insulation, sub-floor and underlayment for tiled kitchen floor?

    My floor joists are good but I need to replace whole subfloor and tile kitchen floor. I am working on a budget but I want to install functional and durable solution according to British standard for both subfloor and underlayment. Ppl with experience, could you please advise what insulation to...
    • diywork
    • Thread
    • best canada cement board decoupling membrane floor installation insulation kitchen kitchen floor plywood subfloor tile backerboard tiled
    • Replies: 1
    • Forum: Canada Tile Advice
  14. J

    My 1st Job Cement Board Tiling Challenge!

    Hi Everyone, 1st time bathroom install around a bath. Current stud wall with tiles removed has had it, I'm taking out the plaster board and replacing with cement boards (already purchased). Question: When cement boards are installed, I am going to tank it using "Aqua Seal Tanking kit". Before...
  15. S

    65mm cement board screws?

    Hello all. My building inspector told me i have to insulate over my stud uprights to avoid cold bridging(25mm pir). This side of the wall will be bath and shower so wanted to use hardiebacker boards to tile over. I cannot find any cement board screws long enough to secure the 12mm board over the...
  16. P

    Tiles falling off in shower enclosure

    Hi, a few tiles keep falling off in the shower enclosure. Any tips on the best material to use to replace the plaster. Pink area in the middle. Thinking sand and cement (4/1 parts) or aquapanel piece screwed in. thanks, pras
    • Pras
    • Thread
    • aquapanel cement cement board former off shower shower tray tile tiles walk in shower water waterproof wetroom
    • Replies: 3
    • Forum: Tanking and Wetrooms
  17. C

    Thermal Cement board vs Sand & Cement render prior to tiling on brick wall

    Hi All, It's my first post here. I'm currently working on a wetroom in my flat and would love to hear your advice. 2 sides of the wetroom are pretty straight forward and are going to be tiled onto thermal cement boards fixed to timber pre-wall. Other wall is was old plaster stripped to brick. I...
    • cexec
    • Thread
    • board brick canada cement cement board render sand tiling wall
    • Replies: 1
    • Forum: Canada Tile Advice
  18. L

    Hi all, i have four showers to tile from scratch, cement board lined.

    I have 20l of Nassboards latex tanking paint but am unsure if a primer is required? The substrate is cement board which is clean and not dusty. If I do need a primer can I use 50/50 PVA or must it be something expensive! I have also been looking for a good value tape for the joints and am put...
  19. faceman

    Cement board over anhydrite screed

    We have a floor to do which has ended up being way to low. We to bring the whole floor up about 14mm before we mat it and tile it. It is 180m in a very old expensive house that has original skirts and stair cases still in place that we need to get up to. We figured a 12.5mm cement board would be...
  20. T

    22mm cement board vs plywood and backer board

    Hi, I am building a new bathroom in my own house. The room is on the first floor in a newly built extension. There is no floor yet, just joists. I plan to have a tiled floor with electric underfloor heating. We haven’t chosen tiles yet but will probably go for large format floor tiles. The...
    • Tuttle
    • Thread
    • backer board board canada cement cement board plywood tile backerboard
    • Replies: 2
    • Forum: Canada Tile Advice
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