Hi there,
Hope you can help.
I have a vertical radiator weighing around 60kg to be fixed to a plaster board wall. The wall is a cavity wall with the brick being 12cm behind the plaster board. Any ideas how to fix this raduator securely to the wall?
Many thanks in advance.

Jaxonian

Hi Jaxonian,

Infortunately, you need grounds behind the plaster board, normally the dot and dabbers will allow a panel of adhesive behind the plasterboard to allow for fixing thro' into the brick work. You might be able to drill thro' and get a good fixing in the brickwork and then not tighten the rad brackets too much so that the plasterboard is not pulled in.

S

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Measure twice, cut once!

Hollow wall anchors

http://www.screwfix.com/search.do;jsess ... utton.y=10

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Verwood Handyman
I Know it says I'm On-line, but I might have just left myself logged in, whilst I'm out....

Unfortunately the wall isn't dry lined there's a cavity of about 12cm between the plaster board and the solid wall.
Will hollow wall anchor's take 60kg of weight do you think?
I'm worried the plasterboard won't support the weight of the radiator. the weight will be spread over 4 fixings though.
It's been suggested I need noggings which would involve taking a big chunk of plaster board out to fix them and replacing it.
What do you think?

Personally, I would cut out 2 horizontal sections of plasterboard and fix strips of say 12mm MDF to the wall and then replace the plasterboard and redec.

S

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Measure twice, cut once!

What you do is drill a hole through the plasterboard, and insert a sleeve, say 15mm copper, that touches the wall behind and finishes flush with the PB.

Drill a hole through the sleeve into the wall behind and push a wall plug in, using a long enough screw, fix the bracket to the wall, you get a strong fixing and the sleeve stos the board pulling in.

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One hell of a long screw that is at 12" plus

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Sciatica is a pain in the Ar5e ............ and leg

I think the OP meant 12mm

S

_________________
Measure twice, cut once!

Either dot and dab and 12cm is a mistake, dry lined with timber, or someones stood a sheet of PB against the wall.

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This is the cavity wall, it's an external wall. the gap shown by the pencil is 12cm wide and i've just cut a big hole in it so I can fix some wood that will take up the gap.
Any ideas?

What I did when fitting a new heavy radiator, was to cut two slots in the wall which were the size of the radiator brackets. Then insert a length of wood edge on and screw this to blockwork behind, then screw the bracket to the wood. They are solid.

However, I only had a 65mm gap to fill between blockwork and front of plasterboard.

Here's a pic showing a batten. This one has a notche cut out so that it bridges over the two pipes I found when cutting the hole :)

HTH
J

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I am not a pro.

If it's a steel framing, you can fix a sheet of ply between the uprights and screw the PB back on, or use ply the same thickness as the PB.

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thanks for all your suggestions guys. i've fixed wooden battens to the brickwork and then screwed rad brackets to them through the ply. it seems solid enough although yet to test as i'm now struggling with a plumbing issue! and this is why i love DIY??/?