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The easiest way is to check which direction the roof trusses are lying in the attic. If they are parallel to the wall, it is likely not load-bearing (unless there's an upper floor). In the picture, you also see that the roof beam in the ceiling wall is recessed between the studs, which likely indicates that it is not load-bearing, but it might be interesting to see what the studs are attached to at the top regardless, so that they don't near something not visible in the picture.
 
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BirgitS
B bossespecial said:
The easiest way is to check the direction the roof trusses are laid in the attic. If they run parallel to the wall, the wall is likely not load-bearing (unless there is an upper floor). In the picture, you can also see that the top plate in the inner wall is recessed between the studs, which probably indicates that it is not load-bearing, but it might be interesting to see what the studs are attached to at the top regardless, so as not to miss anything not visible in the picture.
Also, the type of roof trusses, as lattice trusses usually mean that no wall on the lower floor is load-bearing.
 
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Ben C
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Thank you both very much.
There is no upper floor, just been up in the attic and if you mean beams that sit "diagonally" then they are definitely parallel to the road.
 
  • Attic interior with insulation, wooden beams, and a rolled-up material. The beams appear to run parallel to an unseen road outside.
Is the wall located between the rafters, or is it possible that the wall is directly under a rafter?
 
I checked again, the wall is located exactly between these two rafters. I drew in red approximately where the wall is located.
 
  • Attic space showing two roof trusses with a red line marking the location of a proposed wall.
  • Red lines drawn between two rafters in an attic to indicate the approximate location of a wall.
B Ben C said:
I've checked again, the wall is located right between these two roof trusses. I drew in red roughly where the wall is located.
Then the wall should not be load-bearing.
 
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It looks like the rule doesn't go all the way up? Then it can't be load-bearing.
Interior wall with wooden studs not reaching ceiling, covered wires, and partial drywall, highlighting possible non-load-bearing structure.

One way to test is to simply saw it off. If the saw pinches, the wall is somewhat load-bearing even if it is level with the rafters.

By the way, the rafters are not each of the diagonal struts in the attic but a rafter is the whole triangle, so to speak, including the diagonal struts.
You have a simple truss rafter:
Illustration showing different types of roof trusses: fackverk, pulpettakstol, A-takstol, and saxtakstol, each with distinct structural designs.
 
Fantastic @Anna_H !! Thank you so much for that, I am now completely sure that it is not load-bearing. What luck 😀

You are all so incredibly talented and helpful, thank you so much @bossespecial, @BirgitS and @Anna_H
 
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B Ben C said:
Fantastic @Anna_H!! Thank you so much for that, I am now completely sure it is not load-bearing. What luck

You guys are so amazingly skilled and helpful, thank you so much @bossespecial, @BirgitS, and @Anna_H
thanks, everything is easier when you know what to look for :p

We do our best to uphold the legacy of the late Justus Andersson who was our guru when it comes to roof trusses and load-bearing walls.
In this thread, you can find several of his articles:
https://www.byggahus.se/forum/threads/medlemmen-justusandersson.449709/
 
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