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bandido 05-03-2013 08:16 AM

Window header code
 
Shouldn't a window header come to the edge of the studs using plywood spacers? If they do not does this violate building code? The attached picture shows six framed windows. Three on the left have the header to the edge of the studs, three on the right do not. Is it the contractors prerogative to do it either way?

jagans 05-03-2013 09:06 AM

Quote:

Originally Posted by bandido (Post 1171695)
Shouldn't a window header come to the edge of the studs using plywood spacers? If they do not does this violate building code? The attached picture shows six framed windows. Three on the left have the header to the edge of the studs, three on the right do not. Is it the contractors prerogative to do it either way?

No Pictures.

The header does not "Come to the edge" Headers are supposed to be set on trimmers, sometimes referred to as jack studs, which are sistered to king studs, and they are both supposed to sit on a sole plate. The purpose of a header, or a Lintil in masonry, is to pick up the vertical load above an opening and transfer it laterally to a vertical support located to the side of the opening. The vertical support then transfers it to the foundation via other structural members.

bandido 05-03-2013 09:57 AM

Thanks Jagans
 
I don't know how to attach a picture but it clearly shows half the windows have the header flush with the studs and half are centered and set back. How can I show you the picture? Why would a contractor install headers two different ways in the same building?

Willie T 05-03-2013 10:36 AM

I think what he means is that they left the plywood spacers out.... thus making a 3" thick header, instead ot the 3-1/2" thickness the addition of plywood would make them.

bandido 05-03-2013 11:47 AM

Yes Willie, you're right
 
Is the spacer required by code? How can I attach a picture so you can see it? It's a six 2x6 inch wide wall. On some windows the 2x8 headers are flush with the 2x6 studs and other windows they are not. Maybe three 2x8s on some and only 2 on others with no spacers.

GBrackins 05-03-2013 03:48 PM

Welcome to the Forum!

here is how to post photos http://www.diychatroom.com/f19/how-a...to-post-12559/

there is no code requirement I know of that says a header must be the same depth as the studs, i.e., if wall is framed with 2x4 (3-1/2" depth) that the header must be 3-1/2" in depth also. with that said it's normal in my area that headers are the same depth as the studs in the wall whether they use plywood or rigid insulation as a thermal break.

ratherbefishing 05-08-2013 11:38 AM

I've never seen a header that wasn't flush with the studs. I wouldn't worry so much about the strength, but rather installing the sheetrock. You'll need to put a spacer on the outside of the 2x.

s4s4u 05-12-2013 07:15 PM

There is no core requiring the header to be flush with both sides of the studs. With 2x6 outside walls I just slap 2-2x10's together with a 2x6 on the bottom of them and flush the 2x10's against the outside of the wall. This allows for insulating the dead space at the same time as the rest of the house.

jsbuilders 05-12-2013 07:35 PM

Bad framing job, but shim it out and move on.

CheapCharlie 01-01-2014 05:19 PM

Quote:

Originally Posted by s4s4u (Post 1177978)
There is no core requiring the header to be flush with both sides of the studs. With 2x6 outside walls I just slap 2-2x10's together with a 2x6 on the bottom of them and flush the 2x10's against the outside of the wall. This allows for insulating the dead space at the same time as the rest of the house.

I'm in the process of insulating my house. I have the exact same setup as you for my window and door headers. How do you go about insulating them? I was thinking spray foam. I have alot of windows and i can only figure I'll be getting about R10 max using the batts or a combination of bats and rigid foam.

Thanks!

s4s4u 01-01-2014 05:55 PM

Quote:

I'll be getting about R10 max using the batts
That's about right. We get some wicked cold here in nothern MN as well and that is an area I don't worry too much about.


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