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Badfish740 08-06-2013 08:23 AM

Bay window construction questions
 
We have a double window in our kitchen composed of two double hung vinyl windows side by side. The total opening is about 6' long by 4' high. The windows are separated in the middle by a trimmed 2x4 post. We'd like to remove these two windows and build out a bay using three new windows, but first we need to be sure that there is a header that spans the entire 6' opening. In such a configuration, would the center 2x4 post normally be a load bearing member or just a nailer for the windows on either side? Shouldn't there just be a full header that spans the entire 6' length?

hand drive 08-06-2013 08:33 AM

Quote:

Originally Posted by Badfish740 (Post 1225792)
We have a double window in our kitchen composed of two double hung vinyl windows side by side. The total opening is about 6' long by 4' high. The windows are separated in the middle by a trimmed 2x4 post. We'd like to remove these two windows and build out a bay using three new windows, but first we need to be sure that there is a header that spans the entire 6' opening. In such a configuration, would the center 2x4 post normally be a load bearing member or just a nailer for the windows on either side? Shouldn't there just be a full header that spans the entire 6' length?

if it is a single 2x4 then chances are it is not bearing but if it is doubled up then it could be. the only way a single can be bearing is if there is a window plate forming a wall beneath the windows wedging the 2x in place to keep from bending. the best way for you to know if there is an adequate header is to pull drywall at the corners and possibly all the way across the 6' opening and examine the header.

Badfish740 08-06-2013 08:36 AM

Quote:

Originally Posted by hand drive (Post 1225796)
if it is a single 2x4 then chances are it is not bearing but if it is doubled up then it could be. the only way a single can be bearing is if there is a window plate forming a wall beneath the windows wedging the 2x in place to keep from bending.

It's definitely just a single 2x4.

Quote:

Originally Posted by hand drive (Post 1225796)
The best way for you to know if there is an adequate header is to pull drywall at the corners and possibly all the way across the 6' opening and examine the header.

One way or the other the window trim has to come off so I'll probably just pull the top piece and cut out a section or two that will be hidden by the trim once it goes back on. Thanks!


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