I am a new father and it it time to separate a large (15x30)room into 2 rooms and a hall closet. Demo is done and now need some advise on framing. What is the right way to anchor my new wall to the existing exterior wall? There is not a stud where the wall is going. I was told to cut out the drywall where the walls meet and build a "U" with 3 2x4 to make sure it is stable. The new wall is 15' long and not load bearing. I will be putting a door right next to where the walls meet. I am able to anchor the top plate to ceiling 2x4s. Any advice is appreciated. Thanks.
What I have done in similar circumstances is to cut out a strip of the drywall 3 1/2" wide where the wall meets it. Fit a length of 2x6 between the top and bottom plates, centred with the 3 1/2" cut out, so you have something to act as a backer for the existing drywall, fasten it to top and bottom plates and fasten both drywall edges to it with drywall screws.
You can now put the end stud into the slot against the 2x6 and anchor it to the top and bottom plates and the face of the 2x6.
I've done the same work before and all I can tell you is that you have to be very precise with the measurements. That's the most important part of your upcoming project. The more precise you are, the easier it gets.
I've done same work, but I really don't know how it came finish. Because we left our house to my friend which is my interior designer. And when I came back the work is already done, and I liked it. So maybe you just ask help from an interior designer.
Yes getting an interior designer to do it for you would be a better options. Professionals know these things well and will get the details right. Saves you the hassle and the time. It may be a little heavy on your pocket, but its a one time investment. You will not need frequent repairs.
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