Hopefully, it will eventually become a simple one-story holiday house.
I have looked at some materials from byggbeskrivningar.se. Among others, their "enkelstuga". This cabin is just over five meters wide, and in the video, you can see joints in the floor beams and a single support beam in the middle.
Is it feasible to widen the cabin to just over 7 meters (jointing 2 x 3.6 m) but construct it in the same way, or do the support beams need to be reinforced in some way? And is it still possible with a single support row in the middle?
Now, you don't mention any dimension, because it may need to be increased but the principle can be maintained.
For that simple cabin, they have 45x220 C24 as load-bearing beams and floor joists 45x170 C24.
(Looked in the Manual from Svenskt Trä and can't quite figure it out. They are behind both the Manual, byggbeskrivningar.se, and traguiden.se. In the Manual, 45x245 C24 is recommended for a 6 m width unless it's screwed laminated floor particleboard. On traguiden.se, it's 2 pcs 45x220 that apply as load-bearing beams, but in their own simple cabin (9x6 m), a single load-bearing beam and thinner floor joists are fine. What am I not understanding..?)
Another question too: should the central load-bearing beam be reinforced if I'm not using trusses that distribute all roof weight on the outer walls, but instead a central ridge beam on columns?
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