I want to set up a hook to hold a lamp of about 3kg but I'm unsure about what type of hook and how it should be fastened to prevent it from falling. The hook will be placed on the upper floor, but since it has been difficult to examine that ceiling due to a full attic, I have looked more closely at the ceiling on the lower floor, which at least looks and sounds the same, so my guess is that they are constructed the same way.
The ceiling looks like this:
It feels quite solid and sounds reasonably firm. On the lower floor, I have a slightly larger hole from before that looks like this:
The thickness of the hole (the sheet) is about 15mm. If I go into one of my crawl spaces, I can see the ceiling from above (the lower floor's ceiling), and it looks like this:
My conclusion/guess is that the lower floor has some type of chipboard that is mounted directly onto the beams in the flooring. Since the upper and lower floor ceilings are from the same era and look the same, I guess the construction is the same, but with the beams between the upper floor and attic as the attachment point. Is that a reasonable guess?
If accessible and you're worried, you can place a metal plate underneath to distribute the pressure. But that should work for 3 kg according to me.
Unfortunately, I can't access from the top side where I need to attach. But yes, maybe 3 kg isn't that much (and by that, do you mean the one from Claes Ohlsson that I linked?)
Unfortunately, I can't access from the top where I need to attach. But yes, 3 kg might not be that much (and by that, do you mean the one from Claes Ohlsson that I linked?)
Yes...15 mm chipboard should handle quite a bit of load, at least 3 kg. I've hung similar lamps in exactly the same way in drywall.
as mentioned, if you're worried, you might as well climb up to the attic, clean up a bit, work your way down to the under-roof, and lay out something that distributes the weight.
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Viktor.J said:
