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ratherbefishing 09-17-2011 02:25 PM

Making rough opening narrower??
I'm using the old window opening and header as the rough opening for an interior door to a bathroom/addition. The old opening/header is 40" wide. the new opening is 30" wide (2'4" door). The door hinge will be on the existing jack stud. I've added a stud to make the opening narrower, on the striker side of the door opening. Would you double that stud to stiffen the RO, or can I add a block near the latch striker? The block would give me more room for electrical boxes for light switches. Or is just a single stud adequate? Thanks!

Msradell 09-17-2011 04:06 PM

Since you really don't need this structural support a single stud within a block installed near the latch should be sufficient. That is unless you will have kids constantly slamming the door! :whistling2:

ratherbefishing 09-20-2011 03:25 PM

Thanks. That's what I was thinking, too.

woodworkbykirk 09-25-2011 06:37 PM

i would double the stud where the striker will be, simply blocking it wont prevent the framing from moving around which in turn can allow the jamb to go out of alignment. when this occurs the door wont close properly

Millertyme 09-26-2011 08:48 PM

the 2x4 wont twist with drywall screwed to it

woodworkbykirk 09-26-2011 10:16 PM

if the 2x4 is wet when its installed it can still twist, seen it a thousand times

chrisBC 09-27-2011 02:12 AM

I would double it up, is stronger construction and gives you more to nail your trim into.

remember standard door framing, even with partition walls, there will be always at least 2 studs on each side of the opening. 1 stud seems a bit flimsy to me, even if you don't need to worry about supporting the header.

Millertyme 09-27-2011 05:51 AM

good point about the trim.

woodworkbykirk 09-27-2011 03:57 PM

another thing is that by laminating two studs they become stronger but also they will work against each other resisting twisting which keeps them straight

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