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Plasterboard touching concrete

  • 17-07-2020 12:14pm
    #1
    [Deleted User]
    Posts: 3,505 ✭


    Hi,

    Is there any way to avoid skirting board when a plasterboard wall is going to meet a concrete floor?

    Everything I've read so far says I should under no circumstances let the plasterboard touch the concrete directly. Is there any sealant/caulk I can use to bring this joint together without a gap?

    Context: This is just for the front of our fireplace (which isn't used for fire). We've concrete inside the fireplace floor about 2" higher than the rest of the floor in the room, and this extends out of the fireplace by about 3". We'd like to further extend this along to the left and right just infront of the brest to cover up holes in the floor where we've removed a brick facing that was around the fireplace. Also as part of removing the brick facing, we had planned to install plasterboard on the lower front half of the brest (as the upper half of the brest is covered in plasterboard already). But now it seems that allowing the plasterboard to meet the concrete is a big no-no.

    Please help!


Comments

  • #2
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,595 ✭✭✭✭Calahonda52


    pictures please

    “I can’t pay my staff or mortgage with instagram likes”.



  • #3
    [Deleted User]
    Posts: 3,505 ✭ [Deleted User]


    Calahonda52 wrote: »
    pictures please

    We're still thinking we might strip the whole brest... but that's a whole other can of worms.


  • #4
    ted1
    Registered Users, Registered Users 2 Posts: 23,667 ✭✭✭✭ted1


    true-or-false wrote: »
    We're still thinking we might strip the whole brest... but that's a whole other can of worms.

    A whole other can especially if you are a semi D..


  • #5
    LenWoods
    Registered Users, Registered Users 2 Posts: 617 ✭✭✭LenWoods


    ted1 wrote: »
    A whole other can especially if you are a semi D..

    +1


  • #6
    Calahonda52
    Registered Users, Registered Users 2 Posts: 12,595 ✭✭✭✭Calahonda52


    true-or-false wrote: »
    Hi,


    Everything I've read so far says I should under no circumstances let the plasterboard touch the concrete directly. Is there any sealant/caulk I can use to bring this joint together without a gap?

    Thanks for the picture.
    Where did you read that stuff
    You are above the DPB here and the fire place looks 100% dry


    A few scoops of gypsum bonding will fill all those holes and make an even base for the addition pb
    Anyway if you want caulk use something like Tec 7 & or similar

    “I can’t pay my staff or mortgage with instagram likes”.



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  • #7
    [Deleted User]
    Posts: 0 ✭ [Deleted User]


    true-or-false wrote: »
    We're still thinking we might strip the whole brest... but that's a whole other can of worms.

    More importantly, what colour are you going with?


  • #8
    [Deleted User]
    Posts: 3,505 ✭ [Deleted User]


    Calahonda52 wrote: »
    Thanks for the picture.
    Where did you read that stuff
    You are above the DPB here and the fire place looks 100% dry
    Yep, I don't think there will be any moisture but the gyproc website said ideally you should use a layer of damp proof course to be sure. I was mainly led astray by US/Canadian websites which I now know to stay away from! Thanks so much for the advice, it sounds like we can forge ahead without too much worry. the
    Deleted User wrote: »
    More importantly, what colour are you going with?
    If I had used a picture of the whole room, we genuinely have about 16 colours on the wall!

    Not sure what the comments about the semi-D are about, maybe I was using the wrong terminology when I said brest? But anyway, we did end up stripping all the old plaster/plasterboard off the sides and upperhalf of the whatever-you-want-to-call-the-chimney-wall, and it was definitely worth it, much cleaner lines to work with and plenty of old patch jobs we can now replace with nice smooth board.


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