TV Mounting onto plasterboard walls ?

Hi, I want to mount a smaller lcd tv which weighs around 12kg onto one of the internal walls in our house. It is one of those strange internal walls made up of a sandwich with a sheet of plasterboard on the outsides and a centre made of a honeycomb structure. The TV mount unit is basically a thick steel square plate with the 4 holes in the corners at 100mm spacing (just like a standard vesa mount on the back of a tv). Do you think that 4 of those hollow wall anchors would be strong enough to hold the plate onto the wall ? It has a simple tilt adjustment so once fixed up it would just be left in position and not pulled about. Any advice would be welcomed or other ideas on how to fix it ? Thanks

Reply to
TonyB
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I would have thought that sleeve anchors[1] would be fine for a load like that. Its probably quite close to the wall, so most of the load will be in shear anyway.

[1] Like:-
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Reply to
John Rumm

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'd agree that this type of fixing should be fine. We have a couple of HiFi speakers about 8Kg each. They're on wall brackets each held up by a couple of this type of fixings on the sane sort of plasterboard and never had any problem over a good many years. The centre of gravity would be quite a bit further forward than the TV would be too.

Being a cheapskate, I use .at less than half the price,

Reply to
Mike Clarke

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> I'd agree that this type of fixing should be fine. We have a couple of > HiFi

And instruct people not to try and adjust it once fitted.

Reply to
John

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've put quite a few of these up & used exactly those fittings - easier to pull a sailor off your sister than get one of them out.

Reply to
The Medway Handyman

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> I've put quite a few of these up & used exactly those fittings - easier to

You haven't seen my sister.

Reply to
rrh

Most replies here are saying that it's OK to use this fixing or that fixing, but I've a feeling they're missing the (major) point in that they are fixing to a plasterboard stud wall, and yours are not stud walls.

Your walls are built with two sheets of PB stood upright with basically a giant eggbox keeping them apart, and no timber or metal struts are used for rigidity. A stud wall has (usually timber, but more recently, box aluminium) struts running up and down and also across - this gives the wall much more strength, and using PB fixings here is usually OK because each fixing will generally be no more than 6 inches away from one or more of these strengthening studs, meaning the sheet of PB being fixed to is firmly fixed to something else and it cannot (easily) come apart - I would not fix anything to these walls heavier than half a pound, and a 25lb TV is totally out of the question.

Reply to
Phil L

That's exactly what we had in our previous house, Paramount partition board. The speakers must have been there for about 20 years with no problems.

... with a studs only 12 inches apart ?

Reply to
Mike Clarke

Your speakers were 8kg? - his telly is 12kg and will probably get handled a lot more than hi-fi speakers, cleaning, adjustments etc.

No, the studs are usually 16 inch centres, meaning that unless you fix directly in the centre of studding, which is highly unlikely and you would be seven inches away,(the studs are normally 2 inches) anywhere else at all and you would be six inches or less from a studding.

Reply to
Phil L

Yes, but he has 4 screws for the TV and I had 2 screws for each 8Kg speaker.

Obviously it would be wise to confirm that the bracket feels secure enough before entrusting it to the full load. If repeated handling has any effect then it's likely to show up as a gradual loosening in time to take remedial action. I think it's extremely unlikely that it would lead to catastrophic failure.

Reply to
Mike Clarke

The telly (15" Sony CRT) in our bedroom is mounted on a bracket, that was originally fastened just to the plasterboard. After a while I noticed that the p'board was "ballooning" outwards round the bracket... I screwed a piece of plywood to the studs and screwed the bracket to that, instead.

Reply to
Huge

Absolutely NOT if its CRT .. i've had issues into solid brock...

rip away part of the wall and put floor to ceiling studs, a plate beteeen and add plasterbaord over: skim and re-paint..

Reply to
The Natural Philosopher

What's on the other side of the wall? I mounted an LCD TV on my bedroom wall, on the other side is the airing cupboard, so I stuck a piece of wood to the wall and screwed right through into that.

HTH

John

Reply to
John

yes a piece of plywood the other side of the wall to spread the load?

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Reply to
george (dicegeorge)

The other side is another room so this isn't really an option.

Tony

Reply to
Tony B

As other posters have observed this style fo wall doesn't have studs. If they had I would have adjusted the TV mounting to line up with a stud at least for 2 of the fixings.

Tony

Reply to
Tony B

I did think of gluing a piece of ply onto the wall behind the tv to reduce the amount the plasterboard would warp, and having holes through the board where the fixings go through to the wall, or fixing the board to the wall with the anchor fixings in a few places plus gluing it, and then mounting onto the board.

Tony

Reply to
Tony B

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