Our lamp in the living room fell down today, luckily no one was home. It's a bit scary, someone could have gotten it on their head, and it could have ended badly.

I put up the lamp about a month ago. Plaster ceiling, drilled and installed a molly plug with a hook. (I think it's this one https://www.jula.se/catalog/bygg-oc...s/gipsexpanders/metallexpander-c-krok-365122/)

The lamp is an IKEA calypso (https://www.ikea.com/se/sv/catalog/products/20032415/) and weighs about 2.5 kg.

I personally think that a molly plug in the ceiling should be able to hold up a 2.5 kg lamp. The plug itself survived, but the plaster ceiling broke.

Here is a picture of the hook
Metal expansion plug with a hook, used for ceiling installations, placed on a wooden surface. The wings above the gypsum board are visible but not symmetrical.
The wings above the plasterboard are not completely symmetrical, see below. I don't know if that could be something.
Metal molly plug with wings held in hand on a wooden background; used for ceiling installation.

Here are some pictures of the ceiling, poor lighting now that the lamp has fallen down :(
Ceiling hole with cracked plaster around where a lamp fell due to wall plug failure, taken in low light. Hole in drywall ceiling with visible cracks and broken plaster, caused by fallen lamp installation failure. Dim lighting highlights the damaged area. A torn and damaged plaster ceiling, with a hole where a light fixture was mounted, illuminated by a flashlight. Ceiling with a hole and cracks where a light fixture fell, showing damage to gypsum board after the installation using a molly plug failed.

Why has it turned out this way?

We have other ceiling lamps in the house too which I'm now a bit afraid might fall down. I've taken down the glass parts from the heaviest ones for safety's sake.
 
Attach the lamps to the lattice panel.
 
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Nannami72
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You don't have regular drywall on the ceiling - otherwise, it would probably work - it looks like you have some type of ceiling tile made of a more flimsy material than regular drywall.

As I said, take a hook and attach it to the sub-ceiling or nail batten if there is one.
 
C
I think it looks like the roof is plastered and then covered with paper :thinking:
If you knock on the roof, does it sound hollow or is it solid?
 
Hard to see in the pictures, but is it really plaster? I think they look like an old stretched inner ceiling.
 
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D Dub361 said:
suggested "plattiplugg
Butterfly not better than molly in that sheet, but in the joint between the sheets visible to the left in the last photo, there is surely a stud to attach there and the sheets are attached to it as well. It will hold well.
 
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Anna_H
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C cpalm said:
Looks like the ceiling is plastered and then covered with a membrane :thinking: If you knock on the ceiling, does it sound hollow or solid?
It sounds hollow when you knock on it.

H Hasse C said:
Hard to tell from the pictures, but is it really gypsum? They look like an old stretched ceiling.
I've mostly assumed it's gypsum.

Here's another picture of the ceiling
Ceiling with visible seams, possibly indicating gypsum boards; image related to a discussion on identifying ceiling materials in a 1981 house.
Don't the seams suggest that it's gypsum boards in the ceiling?

The house is from 1981 if that could be a clue to what it is.
 
I would guess that they are ceiling tiles made of masonite. We have those in our house built in -84

//Wsp
 
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Grillo
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But it's not really possible to hang something on a drywall like that even if it's gypsum, right? There's a big difference between vertical drywall and horizontal. You have studs at the joints, where you can insert screws.
 
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twoody
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Looks like an "under ceiling" of some sort, the material I think can mostly be likened to tretex or a thicker form of porous board. (Had a similar one in a previous house, but there it was glued to the old ceiling) Now that you have a hole, you can remove a piece and check if there is a wooden ceiling above or if you see any gaps.
 
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tobiasssss and 1 other
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I think you tightened the hook too much during your installation, so the support above the board has pushed down and crushed the board.
 
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jjohannes
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That looks like the same ceiling panels that were in the house I lived in as a child. I also had a few leftover panels to do woodworking with, and if it's the same material, it's almost paper-like, but quite similar to tretex. It's a very light and porous material that I wouldn't try to hang anything from at all.
 
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MultiMan and 1 other
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Magnus Brange Magnus Brange said:
I think it sounds hollow when you knock on it.
Clearly hollow if the tiles are on battens, put a long chisel or something else in your hole there and feel if there's wood there. As others say, if there's wood then it's probably no problem to hang a hook there. It could be a long hook. When you put a hook there, feel if it goes slowly all the way, then it's more solid there.
 
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