The walls consist of porous lightweight concrete and 2 cm of plaster.
The website states "For lightweight concrete and lightweight clinker: the above load values apply for installation with a minimum edge distance of 100 mm and minimum mutual distance of 100 mm."
I now want to drill two holes 5 cm away from one of these plugs to put up a roller blind. I will use 6 mm plugs. Should I avoid this? How important is it that there is a 100 mm clearance from the plugs? Will their load capacity be affected? The weight the brackets carry is 52 kilos distributed across two brackets. Each bracket is secured with two plugs. A total of 120 kilos of tensile load capacity. However, it states that: "For long-term/permanent load, the above load values should be multiplied by the reduction factor 0.5."
So 60 kilos then? And the weight is 52 kilos.
Can I drill the holes, or should I avoid it?
The holes will be 5 cm diagonally above the top screw.
Hi! Thanks for your reply. Do you mean 150 mm to the bracket or the roller blind?
Not sure if I'm misunderstanding you, but to clarify, I'm wondering if the bracket's load capacity will be reduced? The roller blind will be mounted without any problem.
That is, will the brackets' load capacity be reduced if I drill the roller blind 5 cm from the brackets' plug?
Yes, it is only a part of the room. There will be sound absorbers there. I am building a music studio. Cannot drill in the ceiling as there are pipes there, so I am using brackets. At the other end, it rests on a beam.
That is, will the load-bearing capacity of the consoles deteriorate if I drill the roller blind 5 cm from
Depends on what type of mounting you have in the wall for the console. If it is 100 mm, then the roller blind's plug will do no harm, but a roller blind doesn't weigh much and doesn't need heavy screws. If you drill slowly with a 5.5 mm drill bit and tap in 2 red plugs one after the other and drive in a screw that is a bit longer than 2 plugs, it will hold well.
It depends on what kind of mounting you have on the wall for the bracket; if it's 100 mm, then the curtain plug won't cause any harm, but a roller blind doesn't weigh much and doesn't require thick screws. If you drill slowly with a 5.5 mm drill and tap in 2 red plugs one after the other and screw in screws that are a bit longer than 2 plugs, it will hold well.
But if I drill exactly as deep as the plug is long and have a screw that's slightly longer than the plug, then I shouldn't affect the wall too much, right? That is, the plugs holding up the console should be unaffected? Or if I smear a bit of husfix in the hole before I insert the plug, then any potential extra cavities should be filled, right? Or am I thinking correctly?
That looks very flimsy! I'm doubtful about placing anything expensive underneath. Why don't you use joist hangers?
Brackets look nicer! The weight on the brackets will be 52 kg, i.e., 26 kg per bracket. The load capacity of the brackets is 90 kg per bracket. So there won't be any problems. The plugs can hold 30 kg, i.e., 60 kg per bracket. So it should be fine, I think!
It's for the bracket, placing an additional screw next to it works, what I mean is that the second anchor grips a bit further in, creating a different stress on the remaining outer part of the wall where your other plug is located. But drill slowly and proceed carefully, so the drill doesn't start to wander in the wall, otherwise, the hole could become too large for the plug.
It's for the console, adding another screw next to it works, what I mean is that the second fastening bites a little further in, then it becomes a different stress on the rest of the wall's outer part where your other plug is. But drill slowly and feed carefully, so the drill doesn't start wandering in the wall, otherwise the hole might become too big for the plug
Do you mean that the new hole will not affect the console? Do I understand you correctly then? Are what you write above tips on how I can make the console sit better? Or do I understand you correctly? I'm a bit unfamiliar with carpentry language.
The new hole may affect, but it's unlikely, though it's always good to consider a little. A console mounted in a wall has pressure straight down along the wall, provided it cannot tilt downward (then the plug can be pulled out). If the console is attached to the part it is supposed to support in 2 places, it cannot tilt unless it is a wide shelf that is loaded at the outer edge. In your case, it is a ceiling panel that is between two walls, it cannot move sideways, and the pressure will go straight down.
Don't ask me how I know, but a potential risk in your case is that the holes are quite close to the window recess. There might be a couple of cm of plaster in the recess, so the hole might only be 1-3 cm from the edge of the aerated concrete, and there it is extremely weak.
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