fitting shelves on plasterboard wall

Hi,

I'd like to put up some shelves onto a plasterboard wall. I know the technique is supposed to be that you find the studs and screw into those but...

I bought a Zircon stud detector, I got the impression from posts here that they were the only brand that worked well, but IMHO it is useless. However our walls are papered and they have a pattern embossed in them, and I wonder whether the fact that they are not smooth is confusing the device? Do you think so?

The house is a 1970s build and once upon a time it seemed a good idea to take a wall apart in another bedroom (though I can't think why now!). That wall was 8' x 8' so it was covered by just two sheets. these were supported by just three studs: one at each end and one in the middle, where the two sheets joined. There were NO studs at 60cm or 40cm spacing's and NO noggins between them.

The second wall in that room was about 12' x 8' and was of a similar construction: the sheets were only supported along their edges and the studs were quite thin: only about an inch and a half wide.

This doesn't seem much to me but OTOH the walls had remained up for thirty years.

My worry is that the room I wish to shelve, is another bedroom and I worry that if one bedroom's walls were like this, won't this rooms walls be the same?

This room where I want to do the shelving is over the stairs, so would the wall be better supported there?

I worry that if the wall is that badly put together there will not be enough studs to screw into.

What would be the best way to proceed? Strip the wallpaper to see if the detector works? Take the wall apart to see for myself, and if necessary reinforce it? Or could I just cheat and somehow fix a sheet of plywood to the wall and screw the shelves into that? But doesn't that solve one problem and create another because I would then have to find some way to anchor the board to the wall?

Were all houses in he 1970s built like this? Have the regulations got much stricter since then or was my house built by cowboys?!

TIA

Reply to
Fred
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It would be quicker, easier and less disruptive to fix the shelves, not to the plasterboard or the studs, but directly to the wall behind.

Reply to
Bruce

I doubt if it would make any difference, my stud detector (which "sort of" works) has a couple of felt pads where you press it against the wall. If the signal gets through them then I doubt if a bit of embossed paper would be much problem.

A bit drastic. You might be able to locate the nails fixing it to the studs if you slide a strong fridge magnet over the surface. Having located any potential studs you can confirm your findings with a few exploratory holes with a bradawl, they'll be easier to patch than putting the wall back.

Reply to
Mike Clarke

There *isn't* a wall behind! This is a stud partition with plasterboard both sides, *not* a single sheet of plasterboard fixed to a solid wall.

Reply to
Roger Mills

If your stud detector doesn't work, you could drill a series of very small holes 1.5mm (say) in diameter, about 1" apart along a horizontal line in a position where they'll hidden by a shelf. You'll soon find where the uprights are. Once you've found one, you can make a guess as to where the others will be, to reduce the number of holes you need to drill.

Reply to
Roger Mills

My bedroom walls are plasterboard - I believe off-cuts are bonded between each outer face to thicken and strengthen the wall. Not sure how systematic the off-cuts are applied but the walls are reasonably good - although sound insulation is poor.

Reply to
John

The mark 1 knuckle is a good stud detector, not sure there's much point in electronic detectors. I've a feeling you might end up removing the PB altogether on one side and fitting more uprights.

NT

Reply to
NT

Yes, mine has those pads too; I suppose it's to stop the machine scratching the wallpaper? I find that you have to hold and move the detector gently, if you change your grip so that you press lighter or heavier, that sets the alarm off.

Reply to
Fred

I'm the OP but Roger beat me to it; my wall is exactly as he describes: bedroom/plasterboard/stud/plasterboard/staircase. I guess the other poster thought it was a lined brick wall?

Reply to
Fred

Quite a few people have mentioned drilling holes to look for the studs but my fear, based on my experience in the other bedroom, is that they will not be there. I fear that adding more studs may be the only solution. I need to make sure that the other side of the wall is not disturbed though because it is over the stairs, which would make access difficult if I needed to repair that side.

Reply to
Fred

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