Planning to build a 2-story villa and have looked at how the floor structure between floors can be built in different ways. These two seem to be quite common:
Alt 1.
Alt 2:
It seems that option 2 is smoother with the vapor barrier, but are there any other pros and cons? I've seen constructions with 1.5 stories using vertical studs all the way up to the roof plate where the trusses will stand. But it doesn't seem like the best with 2 stories as they need to be 5m+ long. I see that you can buy long studs that are finger-jointed so that they are longer, but it might be better to separate the floors.
Anyone have any opinions on how to build the floor structure between floors in a 2-story villa? I appreciate all responses!
The difference between option 1 and 2, as far as I can see, is the attachment of the mid-floor joists. However, option 2 also includes hammarband and syll, which means that the wall studs in this option are also one story tall. The advantage of option 2 is that the exterior wall is more continuous (though not completely), and the vapor barrier can be installed whole. The disadvantage is that it is much more labor-intensive to build this way. It's important that the edge beam (no. 09) is well attached. Personally, I would never choose option 2.
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