joists

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  1. D

    screed with inset timber joists

    I am being asked to tile a screeded floor which has joists inset into the screed and which are flush with the screed. Does anyone know of a system that can be overlaid before tiling. My concern is that these timbers will expand and crack the floor. The stone is 500mm x random limestone...
    • Deleted member 18697
    • Thread
    • aus joists screed timber usa
    • Replies: 16
    • Forum: Australia Tiling Forum
  2. M

    floor boards/ply on joists....

    if you were to tile an upstairs bathroom floor that was bad ply or rotting floor boards, or another instance of wanting to overboard but due to a height issue it would be better to rip out existing floor and re-board on top of joists... I've been thinking recently about how you would go about...
    • Mr Tiler
    • Thread
    • aus floor floor tiling joists usa
    • Replies: 20
    • Forum: Canada Tile Advice
  3. kilty55

    wet ufh between joists and timber overboard advice

    hi all, i have a job to look at for a customer who is getting conflicting advice from the ufh installers and the joiners the ufh installers are putting in an inbetween joist system of some sort and are advising screwing 22mm ply to the joists as an overlay and tile direct the joiners are...
  4. T

    How not to cut joists

    Bath before removal Bath after removal Might need more than hardy backer board this time.:mad2:
  5. P

    Strenthing joists

    What are your thoughts lads on glueing & screwing 3/4 ply to the sides of joists have tried it seems to make a lot of difference in the bounce ?
  6. B

    Tiling on joists

    Guys, I have a job on at the moment and the client wants to have the upstairs tiled out. The house is pre 1900 and the joists I've replaced in the ceiling don't bode to well for the floor being to good when we start boarding out. The customer is a big chap and I have serious concerns that the...
  7. B

    Hardi 12mm on joists?

    Hi, does anyone know if 12mm Hardie board can be used straight onto sound floor joists?
  8. G

    New Plywood floor - do I need to glue it to joists?

    Hi, I am redoing my upstairs bathroom and would like to use tiles for the floor (total tiling area approx 4 sq Metres). I will be replacing the 18mm plain chipboard!!! the original builder used, with 18mm WBP Ply - suitably sealed and with additional noggins on any unsupported joins. I know 25mm...
    • gez777
    • Thread
    • aus floor floor tiling glue joists new build plywood usa
    • Replies: 6
    • Forum: British & UK Tiling Forum
  9. J

    How to check deflection on plywood across joists

    Time and time again, I see advice offered to check for deflection before starting to tile on floorboards/plywood across joists. What I don't understand is - how do you check for deflection and how much deflection is acceptable? Is there a gadget or a certain way of doing it? Do you jump up and...
    • jesteh
    • Thread
    • aus deflection how how to tile joists plywood tiling guide usa
    • Replies: 6
    • Forum: British & UK Tiling Forum
  10. M

    What should I lay on joists before tiling?

    Thanks to all who gave advice on my 1st thread yesterday. Please bare with me as I am having a blond moment, and thats hard for someone with as little hair as I have.:lol: As mentioned yesterday, I am renovating my bathroom and am planning to remove the current varnished t&g flooring and...
  11. M

    What sheeting to use on flooring joists

    Hi I am in the process of renovating my bathroom and turning it into shower room with a wet room area. I am going to use a preformed shower tray such as a Tuff2 tray to cover the showering area with wood sheeting covering the remaining floor area. Currently the floor is covered with varnished...
  12. D

    Bathroom floor, From Joists upwards.

    Guys Im redoing a bathroom floor as the tiles that were down were coming up on there own, turned out it had been tiled straight onto the floorboards by the previous tiler. I told the client that the floorboards needed to come up as most of them were water damaged and twisted, so now I have bare...
  13. A

    Screws needed to screw 25mm wbp plywood into joists

    Hi, I am removing floorboards in my bathroom and replacing them with 25mm wbp plywood which i will be tiling on. I know I need to screw the plywood down every 150mm with countersunk screws. What screws would you advise I use? As I will be screwing into the joists I am not sure what length screws...
  14. E

    ply wood on joists.

    Hello everyone just a quick question. I have the opportunity of laying ply down on straight onto joists in an upstairs bedroom in preperation for tiling . Now I know that probably 25 mm ply would be the best option to gor (or at least this is what I have been led to believe), however are her...
  15. V

    plying over uneven joists.

    I've done few bathroom jobs in the tiling world now, and have come across problems when taking old floor boards up in old houses esp in bathrooms. When I lay and screw down the ply ready for tiling it always tends to bow down in the middle or wherever the main traffic area is. I always tend to...
  16. B

    4" joists?

    Our fitter has covered a bathroom floor that has existing floorboards, with 9mm ply and tiled using porcelain tiles 300mm x 300mm with flexible adhesive. A bulge has appeared in the floor from the door to the outside wall but the rest of the floor is completly flat. He is worried that it is...
  17. R

    Foam layer under joists...

    Hi there I have started tiling onto chipboard and I'm using dunlop flexible set fast plus with flexable additive for added flexablity. Now I have tested most of the floor for movement and the client has hired a joiner to take care of the major parts with too much movement. There is an overall...
  18. G

    Squeaking chipboard over joists!!!

    Hi Guys Startd a job today, bathroom floor, has had some leakage in the past. Ripped the carpet up to find chipboard laid on top of the joists. Walking round on this produces a nice squeaking sound, and jumping up and down on it makes the whole floor move. I advised the customer that it...
  19. W

    Tiling round ceiling joists

    Hi guys, just a quickie. I'm tiling my brothers bathroom this weekend - in his bathroom he has the ceiling joists exposed and wants me to tile round them right up to the ceiling. I was thinking it would look better if the tiles finished a couple of inches below the joists with trim on top and...
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