Horizontal Studs???!!!!

   / Horizontal Studs???!!!! #11  
Yes, I do see why they're called polebarns, not small houses. I searched the internet with new better search terms and got some good material. I drilled some more holes (yes, one wall of the barn is filled with holes now) and discovered that the girts are 22 inches apart horizontally. The bad new is I need to put that ledger board right in between where the girts are placed, so I'm working on that now. Thanks for enlightening me and pointing me in the right direction:thumbsup:

For a ledger, really you will want to tie it into the poles themselves, so try to locate them. If snow loads are an issue, might want to run some numbers to make sure the pole footings can handle the extra load, but I suspect they will be OK.
 
   / Horizontal Studs???!!!! #12  
Yes, I do see why they're called polebarns, not small houses. I searched the internet with new better search terms and got some good material. I drilled some more holes (yes, one wall of the barn is filled with holes now) and discovered that the girts are 22 inches apart horizontally. The bad new is I need to put that ledger board right in between where the girts are placed, so I'm working on that now. Thanks for enlightening me and pointing me in the right direction:thumbsup:

For a ledger, really you will want to tie it into the poles themselves, so try to locate them. If snow loads are an issue, might want to run some numbers to make sure the pole footings can handle the extra load, but I suspect they will be OK.
 
   / Horizontal Studs???!!!! #13  
The ledger board is actually more of a header since it is spanning the distance of the posts. It has to be strong enough to support the load of the roof over the span. How far apart are the posts? Attaching the ledger board requires bolts at the very minimum, but in some parts of the country, that's not allowed and you need to have metal brackets or support under the ends of the ledger board. You might also consider installing new posts and installing the ledger board to the top of the new posts. Not knowing your building, this is something I've done several times.

Eddie
 
   / Horizontal Studs???!!!! #14  
I would install new posts.

Odds are, there is nothing between the girts along the posts. Girts are nailed to the outside of the post (every 22" in your case) then siding over it. So there will be a 1-1/2" gap between the siding and the posts. No way to properly tighten a header bolt without crushing in the siding/sheathing and get proper strength without removing the side wall of the building. For time/effort/material involved, I think you will be ahead setting new posts
 
   / Horizontal Studs???!!!!
  • Thread Starter
#15  
I would install new posts.

Yes, I'm doing something along those lines. I plan to tie the ledger board into whatever vertical post are there (a few, as there is a window, and garage door, and the end, maybe one in the middle) Then, frame out basically a new wall on the exterior with 2 by 4s underneath the ledger board. I'll put this into the concrete slab, and it will be load bearing of the ledger board, as well as tied into the horizontal girts, but will mostly support its own weight. The other option is reframing the wall itself, but I have all kinds of shelving and the inside is sheathed with a wood paneling, so it'd be a real PIA to do that.

I assume that the vertical studs next to the window and door would go all the up and down, correct? Also, is there a standard distance between vertical posts in the wall, or is it just random? It's a 30 by 60 building BTW.
 
   / Horizontal Studs???!!!! #16  
Odds are they just cut two boards to create something to attach the window to on the purlins. I would be surprised if you have true jack and king studs on either side of the window. You have to remember that the metal siding is part of the structure that supports the purlins, so it's not common or expected to frame a window up like you would in a house.

If you are going to stick frame another wall to support the roof you are adding, why are you going to use a ledger board? Why not just secure the new wall to the posts and purlins where you can, and then rest the rafters to the new roof on top of the top plates?

Eddie
 
   / Horizontal Studs???!!!!
  • Thread Starter
#17  
Odds are they just cut two boards to create something to attach the window to on the purlins. I would be surprised if you have true jack and king studs on either side of the window. You have to remember that the metal siding is part of the structure that supports the purlins, so it's not common or expected to frame a window up like you would in a house.

If you are going to stick frame another wall to support the roof you are adding, why are you going to use a ledger board? Why not just secure the new wall to the posts and purlins where you can, and then rest the rafters to the new roof on top of the top plates?

Eddie

It's a downward slanting roof, I need something solid to put the rafters into. I'm still thinking through this. It's a leanto, there is downward force, but also outward force exerted by the roof, I can support the downward pull, but what about the outward pull? I'm still only into a few real studs and mostly girts. What if I extended the new wall up, and just bolted the ledgerboard into it, with new wall only attached to the girts, but anchored into the concrete on the bottom? Or am I better off just opening up the inside of the polebarn wall and putting in new studs every 2ft?
 
   / Horizontal Studs???!!!! #18  
For both downward and upward pull, use metal straps on each rafter. If given the option, it is always best to have your load resting on top of support instead of having to support it with a bracket.

Eddie
 

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