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Mounting Unit on Plasterboard Wall

  • 22-10-2019 9:35pm
    #1
    Tim76
    Registered Users, Registered Users 2 Posts: 955 ✭✭✭


    I have an 11kg bathroom unit that I need to mount on a tiled plasterboard stud partition wall.

    The holes for fixing the unit (330mm c/c) mean that even if I locate a stud for one fixing, the second one will be just going through tile and plasterboard. I have some 10x50mm Molly wall plugs and screws which judging by the cover seem to be suitable for mounting directly onto plasterboard.

    Any advice out there regarding the suitability of using these plugs to mount directly off the tile/plasterboard?

    would I def need to locate at least one stud for stability?

    Thanks in advance!


Comments

  • #2
    dodzy
    Registered Users, Registered Users 2 Posts: 10,153 ✭✭✭✭dodzy


    You'll be fine missing the stud. 11kgs, in this scenario, is nothing.


  • #3
    Lumen
    Registered Users, Registered Users 2 Posts: 31,223 ✭✭✭✭Lumen


    dodzy wrote: »
    You'll be fine missing the stud. 11kgs, in this scenario, is nothing.
    ...until it gets stuffed with 20kg of toiletries.

    Can you drill a second hole in the back of the unit so that two screws go into the stud?


  • #4
    Bartyman
    Registered Users, Registered Users 2 Posts: 262 ✭✭Bartyman


    Have used these and found them verygood https://www.geefix.com/


  • #5
    Tim76
    Registered Users, Registered Users 2 Posts: 955 ✭✭✭Tim76


    dodzy wrote: »
    You'll be fine missing the stud. 11kgs, in this scenario, is nothing.

    Could I miss two studs though?

    I plan use the 10mm diameter version of these guys...

    https://www.woodies.ie/molly-8mm-nylon-plug-pack-of-10-1049469

    Which according to the pack should be able to take the weight even when the missus fills it full of toiletries!


  • #6
    Tim76
    Registered Users, Registered Users 2 Posts: 955 ✭✭✭Tim76


    Lumen wrote: »
    ...until it gets stuffed with 20kg of toiletries.

    Can you drill a second hole in the back of the unit so that two screws go into the stud?

    11kg is the empty weight alright. Don't know if she'll manage to fit 20kg of make up there but the weight will definitely be going north of 11kg.

    The back of the unit is pretty flimsy so i would need to source another bracket from IKEA if i was to try and add a third fixing.


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  • #7
    loyatemu
    Registered Users, Registered Users 2 Posts: 15,332 ✭✭✭✭loyatemu


    I'd go for metal fixings rather than plastic for anything heavy.

    This guy has a number of videos comparing different hollow wall fixings:
    https://www.youtube.com/channel/UC7x7wk8yeN2ZEJCo6BgP2ag/featured


  • #8
    Tim76
    Registered Users, Registered Users 2 Posts: 955 ✭✭✭Tim76


    Cheers loyatemu, will check that out later


  • #9
    [Deleted User]
    Posts: 7,499 ✭✭✭ [Deleted User]


    Bartyman wrote: »
    Have used these and found them verygood https://www.geefix.com/

    The missus could do with some of that


  • #10
    cullenswood
    Registered Users, Registered Users 2 Posts: 2,347 ✭✭✭cullenswood


    I have something similar to put up and was wondering would the likes of these be a good solution??


  • #11
    loyatemu
    Registered Users, Registered Users 2 Posts: 15,332 ✭✭✭✭loyatemu


    cullenswood wrote: »
    I have something similar to put up and was wondering would the likes of these be a good solution??

    yeah I have some fairly heavy stuff held up with those. Worth also buying the fixing tool as it makes them much easier to use.


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  • #12
    dodzy
    Registered Users, Registered Users 2 Posts: 10,153 ✭✭✭✭dodzy


    Lumen wrote: »
    ...until it gets stuffed with 20kg of toiletries.

    Can you drill a second hole in the back of the unit so that two screws go into the stud?

    20kgs of toiletries in a small cab physically could not happen.

    The tiles add great rigidity. OP, you will be fine with the fittings you suggested, 100%.


  • #13
    Lumen
    Registered Users, Registered Users 2 Posts: 31,223 ✭✭✭✭Lumen


    dodzy wrote: »
    20kgs of toiletries in a small cab physically could not happen.
    You haven't met my wife.


  • #14
    [Deleted User]
    Posts: 7,499 ✭✭✭ [Deleted User]


    Lumen wrote: »
    You haven't met my wife.

    You sure :P


  • #15
    s7ryf3925pivug
    Closed Accounts Posts: 4,007 ✭✭✭s7ryf3925pivug


    Check the plasterboard thickness and that it's compatible with the fixings you use - or use fixings that work with all thicknesses. Some of our walls have unusually thin plasterboard that is not suitable for most hollow wall fixings so it's best not to assume.

    I've looked into this a good bit and geefix seems to be the most secure choice, and also works with very thin boards.


  • #16
    GreeBo
    Registered Users, Registered Users 2 Posts: 27,370 ✭✭✭✭GreeBo


    BrownFinger wrote: »
    The missus could do with some of that

    that explains the username...


  • #17
    GreeBo
    Registered Users, Registered Users 2 Posts: 27,370 ✭✭✭✭GreeBo


    OP what size are the tiles?
    The bigger the tiles the better in this scenario as you are spreading the load more.
    Also how deep is the cabinet?
    typically the are pretty narrow so most of the weight is exerted as a shear force (which is where these fixings are strongest)


  • #18
    Tim76
    Registered Users, Registered Users 2 Posts: 955 ✭✭✭Tim76


    Thanks for all the feedback guys.

    Went with the 10x50mm Molly wall plugs and associated screws in the end. Found a stud for one fixing and the second one is just thru tile & plasterboard.

    The missus is after packing out the cabinet with toiletries, I was surprised she managed to fit so much in there, but the unit seems rock solid. So far.


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