65mm plasterboard. Is this possible?

[freddiemercurystwin]

You would drill or shove your screwdriver into the existing holes.

 

[markjg123]

You would drill or shove your screwdriver into the existing holes.

Ah OK. It's a bit late for drilling but the screwdriver isn't picking up sawdust. All I can add just now is a photo showing the screwdriver 65mm into the wall, and directly below it is a magnetic stud finder that's found a nail or screw. If that screw is going into a stud then how can the screwdriver be going through 65mm of plasterboard?

 

[cdbe]

When I did my loft conversion I screwed two by one battons to the wall and then screwed insulation and plasterboard into them.

 

[markjg123]

When I did my loft conversion I screwed two by one battons to the wall and then screwed insulation and plasterboard into them.

Did you screw the insulation to the batons first, then screw the plasterboard to the insulation?

 

[cdbe]

No, both together, the insulation is held in place by the plasterboard.

 

[markjg123]

No, both together, the insulation is held in place by the plasterboard.

Ah OK, so using a 100mm screw or thereabouts?

 

[Tetrarch]

My 1914 reno would show exactly the same as you're seeing.

It's almost certainly 50mm metal stud plus 12.5mm plasterboard plus a plaster skim - that would be your 65mm

I haven't yet hung my TV but I'll likely be using really good plasterboard fixings and not bothering to bridge that 50mm void. I'm really impressed wirth the Fischer range at Screwfix. I've been using the duopower range for outside (guttering downpipes etc) and the corefix dot-and-dab range internally and for my curtain poles (heaviest duty so far) I've been using some Easyfix hollow wall anchors

I'm looking at these for my TV mount, but havent yet pulled the trigger:

https://www.screwfix.com/search?search=corefix+strap&brand=corefix&producttype=heavy_duty_hollow_wall_fixings

Regards

Tet

 

[freddiemercurystwin]

My 1914 reno would show exactly the same as you're seeing.

It's almost certainly 50mm metal stud plus 12.5mm plasterboard plus a plaster skim - that would be your 65mm

That's a mighty bold claim and one I would argue is unfounded.

 

[ETAF]

I'll remove a socket first of all and have a look behind it and report back here.

AND ?

 

[markjg123]

AND ?

Behind these two boxes is a layer of insulation board, presumably with a layer of plasterboard on top, with a batten behind. Possibly a noggin between two studs either side. It's about 60mm from the wall face to the batten. You can just make out the insulation board and batten in the photo. I didn't remove the dry lining box because I didn't want to risk tearing the surrounding wallpaper.