foam

  1. W

    Dot and dabbing adhesive for foam core backerboad

    Hi all what adhesive would you recommend for dot and dabbing foam cored backer board onto thermal blocks before mechanically fixing through dabs. Cheers
  2. H

    Electric Cable through Foam Backer Board in Shower

    I am considering purchasing the Wedi system for a shower renovation. The current shower setup uses an electric shower and the new shower renovation will also use an electric shower. The current electric cable runs from the studs, through the tile backer board, through the tile and then into...
  3. Kilo

    Cement vs foam core boards

    Hi, I'm about to redo an en-suite after taking it back to the stud. I have been doing a little reading on backer boards (but clearly not enough to be sure what to use!) I have gyp-frame 40 cm studs and an external block wall that needs dot and dab. I guess a lot of people rate Hardie backer...
  4. D

    hairline crack, slight flex in 2 tiles - to foam or not to foam?

    In short: would using some expanding foam behind 2 tiles that have a small amount of flex, where I presume adhesive has partially de-bonded help fill the void and re-glue the to tile to breeze block? Or inject some kind of adhesive/Silicon to where i can get to with grout removal? The long...
  5. Toby

    How To Tile Over Spray Foam That Has Not Set Hard

    My plumber has just finished the pipework into a drain in a new utility. He said he would put down some board but instead has half-filled a cavity with foam. But the foam has not dried hard it has dried soft. Originally I envisaged using self leveling compound but I can't lay this on soft foam...
  6. J

    Uneven wall - expanding foam

    Hi all, ive got a problem with an uneven wall in our new house, we have had a kitchen fitted with granite splashback and upstands across benches, but the wall isnt flat all walls in the house are the same), I can get a full finger down the back of an upstanding at places down to flush at the...
  7. M

    Foam boad vs cement board

    What do you pros on here use most then? Ragrdless of customers budget and you choose msterials Xps foam.boards like jackoboard,marmox weidi etc Or Cement boards lile hardie, no.more ply etc with tanking where applicable Or Plasterboard just to throw it in there.tanking where needs be. Dont...
  8. W

    Lightweight Foam Tile backer boards. Long thread titles are a wonderful thing.

    Following on from the thread I posted yesterday about these foam boards, it got me thinking about the installation of these boards. I was quite surprised to find out that some companies recommend purely screwing these boards down when overboarding a suspended timber floor. No adhesive. I...
  9. W

    Getting tempted to move over to Foam boards for all showers.

    Just picked up some Orbry board and was quite surprised how cheap it was. £21 for 2.6M x 0.6m x 20mm thick. The 12.5mm board is about the same. 20mm Board you only need 600mm stud centres. Does anyone use a foam board on all of their showers? I think I’m going to move over to it a bit more.
  10. B

    So forget about cement boards and foam boards and just tile direct onto wood?

    Link
  11. W

    Foam Tile Backer Board Experiment.

    Some of you might remember the tile backer board experiment I started a few weeks ago. It consisted of a thin piece of board inserted into a bottle of water to see if the cement broke down or changed shape in any way or if the bond between foam/cement came away. There was no change at all in...
  12. W

    Suspended timber floor. Foam Vs HB/NMP/A-Panel

    Standard suspended timber floor, regarding overboarding- do people consider the foam boards (wedi/Marmox/Jack0/Ducka etc) as good as the boards like Hardiebacker/NMP/Aquapanel etc. I’m asking this in relation to UFH and suspended timber ground floors where the insulating properties of the foam...
  13. B

    Foam for fixing cement boards

    Had heard about this, supposed to replace adhesive AND mechanical fixing?
  14. W

    Use of expanding foam glue on green plasterboard?

    Hi. I am using a green plasterboard for my bathroom walls to tile onto. I used dot and dab mix in my last house but what I want to know is if it is ok to use expanding foam type glue? I have seen it done on plasterboard but not sure if its strong enough for 1) tiling onto or 2) suitable for...
  15. F

    Knee pad inserts

    I've always used the trouser insert type knee pads, but I'm fed up of them being squashed in the corners, does anyone know of any that aren't foam? Maybe a gel or alike?
  16. M

    Do you use foam edging strips for SLC?

    I have never used foam edging strips with self levelling compounds. Installing UFH tomorrow. Its been a while since i SLC so thought id watch a few videos as a refresher. Everyone seems to being using foam strips. Is this the done thing? Thanks
  17. F

    Washboy Woes

    got the washboy out today for the first time in a long time to give it another go. Still not having much joy with it. Creates a lot of foaming on the tiles and on the joints! Any ideas ? I'm ringing it out a lot.
  18. T

    extruded foam insulation board

    has anyone tiled directly onto this foam backer? no cement coating, just foam with electric ufh mat? can't say I fancy risking it.:nonod:
  19. A

    Concrete board (eg NMP) or foam board (eg Marmox)

    Hi Guys, I'm not a tiler so don't get me wrong, I'm a retired chippy doing a self-build. I have done bathrooms for myself in the past and used green board for ceiling, concrete board (NMP) on stud walls covered in Homelux, and concrete board over chipboard covered in Ditra for floor. That worked...
  20. A

    tiling over a hard foam with pipes layed inside????

    hi guys, ive had a look at a job recently tiling a bathroom floor. the plumbers have layed like a preformed hard foam with plastic poly pipes running through it. basically im looking on any advice i can get as ive never tiled over this before and im wondering if i can use nicobond plastic ply...

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