Hello. I'm planning to build a loft bed in my son's bedroom and will construct the supporting frame in steel to minimize the dimensions. The ceiling height is limited, so the frame will consist of an angle iron that holds a slatted base with a mattress. The sides/rail will be made of sheet material. Compared to a box spring, I "gain" about 15cm in height.
Conditions
The bed will be placed along the room's short side, which measures 330cm in width. The entire side of the room will thus consist of the bed (it will be 1 full + a slightly shortened mattress). The wall along the long side of the bed is concrete hollow block, and the short sides are lightweight walls (45-frame with OSB + Gypsum) with standing 45x95 as reinforcement in the location where the bed's corners will be.
I'm doing all this hassle to avoid visible posts. The bed will thus be attached to 3 walls, with one long side left "free."
To the question
The slatted base will be placed in a frame of angle steel. The frame will be welded in place. The frame will be attached to one long side and two short sides (90cm wide bed). What dimension of angle steel might be suitable for this? It should withstand a distributed load of several children (perhaps one could assume maybe 300kg). The worst-case scenario would probably be if two adults sit in the middle of the 330cm long "free" span.
Thanks in advance to those who take the time to respond!
If you design with consideration for a maximum deflection of 11 mm (= 1/300 of the length), I could imagine that an L-profile that is 60x60x6 would be needed. Somewhat simplified, I assume that half of the load ends up on the front edge. But it is mainly a matter of personal preference.
I don't understand how you save height with a steel construction; the rib base+ mattress and top mattress are equally thick regardless of the frame material. A higher front beam in wood will hide the mattress and be part of the fall protection.
If we want a low front beam but in wood, we can do as in this picture I found, and make the ladder part of the supporting construction.
I don't understand how you save height with a steel construction; the ribbed bottom + mattress and mattress topper are just as thick regardless of the frame material. A higher front beam in wood will hide the mattress and be part of the fall protection.
If you want a low front beam in wood, you can do like in this picture I found and make the ladder part of the supporting structure.
[image]
Hi!
Where did you find the picture? I want to build exactly the same thing but have zero experience
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Peter2400 said:
