Hello!
We are expanding our holiday home and have a question:

It's a one-story wooden extension that stands on posts directly on the rock.
Due to the posts already being set and some late changes, we would like to move an external wall about 90mm outward.
This would mean the external wall will not stand directly above the beam, but 90mm outside. Is this OK?

The floor joists are 45x190mm, 600cc, c24.
The beams are double 45x220mm, c24. The distance between the beams is about 2.5m.
Diagram showing a cross-section of a wooden extension structure on pillars. The outer wall is 90mm offset from the load-bearing beam.
 
M MartinNe said:
Hello!
We are adding an extension to our summer house and have a question:

It is a single-story wood extension on pillars directly on the rock.
Due to the pillars already being set and some late changes, we would like to move an outer wall about 90mm outward.
This means the outer wall will not stand directly above the beam, but 90mm outside. Is this OK?

The joists are 45x190mm, 600cc, c24.
The beams are double 45x220mm, c24. The distance between the beams is about 2.5m.
[image]
Will work but not okay. Depends on how much load you have on the wall.
 
Hi mickef!

Thanks for the response, but I don't completely understand:

What does 'but not ok' mean?
 
What type of roof will it be, and will the wall bear the load from the roof trusses?
I have an intentional overhang on my floor frame of about 90mm to have the plinths under the house and not outside the facade.
 
Hello Maah,
The outer wall is load-bearing for the roof trusses, but there are also 2 load-bearing interior walls.
Metal roof in snow load zone 2.

Cross-section of a building diagram showing external and internal load-bearing walls, roof pitch at 17 degrees, and height measurements in mm.
 
In your sketch, you have 90mm to the post shoe, so it should be 45mm to the bearer, right?

I'm not a constructor, but I have no doubt that a 45-90mm overhang on a 195mm beam would have any impact.
Go for it! (y)

I can take a picture of mine later when I get outside.
 
M MartinNe said:
Hi mickef!

Thanks for the response, but I don't fully understand:

What does 'but not ok' mean?
The idea is that the beam should take the load from the trusses, but as it's drawn, it's the floor structure outside the beam that's doing so. If you have someone responsible for quality, they will probably say that it's not ok. As you've described, your drawing doesn't match and the wall is almost on the beam, right? Anyway, it will work.
 
M mickef said:
The idea is that the support beam should take up the load from the roof trusses, but as it is drawn, it is the floor joist outside the support beam that does it. If you have a quality responsible individual, he will probably say that it is not okay. As you have described, your drawing does not match, and the wall is almost right next to the support beam, right? Either way, it will work.
Thanks, I'll check with my KA.
You're right, the center shift is 90mm, but on my drawing, the distance is exaggerated. Where the support beam ends, the wall basically begins.
 
That is completely okay and is no problem at all. However, it's important that the wall and floor studs align with each other.
 
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