Hello!
I'm planning to set up a desk and have some thoughts on how to mount it correctly.

The idea is for the desktop not to have any legs (if possible) and to be attached to the wall. The space looks like the picture below, and the brown painted is the desktop:
Plan view showing a room layout for a desk project. A brown section illustrates a 2.48 m long wall-mounted desktop in a 2.55 m space labeled "Matplats.

I'm thinking of installing brackets along the walls on both the long side and both short sides. The wall is single drywall and the studs are steel, so I'm leaning towards using expansion anchors in the drywall and trying to compensate by having many attachments and getting support from the side walls.

I’m considering a stave-laminated desktop, similar to what you would have in a kitchen. It should be stiff enough for 2.5 meters, or do I still need to add a leg in the middle?
4400608A.jpg

I welcome all feedback, mainly curious if it’s even doable or if I should think differently, e.g., by attaching to the steel studs, supplementing with a table leg in the middle to avoid sway, etc.

The plan is to have a monitor, computer, etc., on the desk so the load in addition to the desktop will likely be at least 20 kg, plus it should be possible to lean on it, of course.

Thanks for any replies!

EDIT: I accidentally cropped the picture incorrectly so you can't see the wall length but it is 2.5 meters. I think the short sides are around 40-60 cm.
 
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Place the support joists in the steel studs, and you'll avoid using drywall anchors. The length measurement for your tabletop is of course a secret, but you will likely have several steel studs to attach to. With that length of tabletop, you need support in the middle. A leg or an angled support down to the wall if you want to avoid legs.
 
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NiklasAlden
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Thank you for the response, it was clumsy of me to crop the image like that but the length of the long side is 2.55 meters.

I've tried googling about attaching to steel studs, any tips on how to do it best? It seems there are divided opinions on whether to use expanders in them or not.
 
NiklasAlden NiklasAlden said:
attach to steel studs, any tips
a sharp wood screw like drywall screw for wood
 
AXS
Buy 70x22mm, attach them as a U so that the board has something to rest on for 3 of its sides. Screw with wood screws/drywall screws or whatever you have at home into the metal studs. If you want more stability, you can use some type of drywall anchor/molly between the studs. Finish by securely screwing the countertop into the studs.

For more stability, you can attach one or two brackets towards the middle of the board.
47920-konsol_bankskiva__eacdb02d-dbf6-498d-b020-a1c0f5f51119.jpg
 
J
You have to find the studs, I think, I used "molly" to attach a towel hanger to drywall and it was just a mess. I don't understand how you can build with it, luckily it's the only place we have it in the whole house that I found... :D An "ugly renovated" 80s shower room. Extra annoying when there are solid walls 2cm behind the drywall. :P :D
 
AXS
J JohanLun said:
You have to find the studs, I think, I used "molly" to attach a towel rack in single drywall and it was just a mess. I don’t understand how one can build with it, luckily that's the only place we have it in the whole house that I found... :D A bathroom "cheaply renovated" in the 80s. Extra annoying when there are solid walls 2cm behind the drywall. :p :D
Molly works okay if it has a little larger backing than a towel rack. It doesn’t like sideways stress, with a stud it will be good.
 
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JohanLun
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Found "vippankare" now and it seems perfect. It seems to hold significantly more weight than molly and they are also straight, which means I can attach them to the beams that are U-shaped.

Probably will be a beam on the short sides and brackets on the long side.

I'll have to post a picture when it's done.
 
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