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Foam Tile Backer Boards worth it?

  • 11-03-2023 3:21pm
    #1
    cruizer101
    Registered Users, Registered Users 2 Posts: 3,205 ✭✭✭


    I'm putting in an ensuite at the moment and am wondering about Foam tile backer boards such as Jackoboard and Abacus Elements, are they worth it?

    The room has one external wall (cavity wall pumped still cold enough), one block wall with neighbour and two walls are internal stud walls with 18mm ply instead of plasterboard (this was done to allow easy fixing of anything anywhere). Floor is also 18mm ply over joists. Plan is to tile floor and full height of walls. Also plan putting in electric underfloor heating.

    I had originally planned using the foam tile baker boards when I heard about them but they are pricey enough, I've about 20sqm to cover so looking at 600+ for just the boards, they are more expensive than some of the tiles I've been looking at (at first I misread the sheet size and thought they were the same size a full ply sheet but they are only 1/4 the size).

    So are they necessary/worth it? I will be looking at tanking anyway and still kind of have to do that with them along joints and holes anyway, so how much of a difference do they make? An I as well just tiling direct to the tanked plywood? Opinions appreciated. Lot of online tiling/bathroom tutorials recommend them but think they could be getting sponsored.



Comments

  • #2
    10-10-20
    Registered Users, Registered Users 2 Posts: 8,073 ✭✭✭10-10-20


    Standard tile backer boards might work out cheaper, available in various depths? They provide the bare minimum of insulation, if that's what you're looking for.

    https://www.goodwins.ie/products/botament-tile-backer-board-12mm-1-2-x-0-6mtr.html

    Your other option might be to install insulated plasterboard and then tank over it, but the plasterboard won't be moisture resistant.

    Or you could install foil backed PIR board, then moisture resistant plasterboard and then tile to that.



  • #3
    cruizer101
    Registered Users, Registered Users 2 Posts: 3,205 ✭✭✭cruizer101


    https://www.boards.ie/discussion/comment/120346194#Comment_120346194

    Thanks for that, those linked ones do seem to be one of cheaper options, but I'm more just wondering do I need to do it at all?

    Is it worth the money and effort over just tiling onto the tanked plywood/plastered walls



  • #4
    10-10-20
    Registered Users, Registered Users 2 Posts: 8,073 ✭✭✭10-10-20


    The reasons for using them are normally that the substrate is either unsuitable due to deterioration (flaking plaster etc), not sufficiently rigid, differing/mixed substrates, in need of minor uncoupling or is just not a suitable surface to take tile adhesive.

    If you're not ticking these boxes then you probably don't need a backer board unless you need an element of thermal insulation in the wall.



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