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Hanging Rads off Insulated Plasterboard

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  • 20-09-2023 11:41am
    #1
    alongwaytotipp
    Registered Users Posts: 27 ✭


    Hi,

    I am drylining a room with 50mm insulated plasterboard this will be fixed to a masonry wall with the mushroom fittings. I am wondering how to hang the central heating rad. It's a double rad 4ft long so quite heavy. Can I hang this directly off the board or do I need to get some type of wall brackets that will reach out beyond the insulationboard ?



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    #2
    10-10-20
    Registered Users Posts: 7,058 ✭✭✭10-10-20


    Corefix through the insulation and into the block is one way to do it:

    https://www.screwfix.ie/p/corefix-metal-plastic-100-heavy-duty-dot-dab-wall-fixings-10mm-x-95mm-24-pack/344hg

    Other option is to install battons behind the insulated plasterboard and screw into these.



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    #3
    funnyname
    Registered Users Posts: 1,754 ✭✭✭funnyname


    https://amzn.eu/d/740WVJ5

    Try these

    https://amzn.eu/d/740WVJ5



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    #4
    chooseusername
    Registered Users Posts: 3,700 ✭✭✭chooseusername


    I've done what @10-10-20 suggested re battens and it worked well, a bit more work involved but worth it I felt.

    I screwed battens to the wall before fitting the insulated slabs and cut corresponding strips out the insulation to fix the rads to. The onle issue is 2 inch battens are usually 44 mm so either shim them to the 50mm or rip down 3 inch battens if you can't find 50mm ones. When cutting out the insulation strips don't puncture the vapour control layer on the back of the plasterboard. I put a a strip of 100mm vapour barriier on the front and back of the battens.



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