How To Attach A New Wall To An Existing Wall

I mean, would it be necessary to physically attach a:

How To Attach A New Wall To An Existing Wall. To install an outlet to an existing wall, the next step is prepping the area. The existing outlet will need a pigtail connection.

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Find the ceiling joists closest to the new wall location, one on either side. To install an outlet to an existing wall, the next step is prepping the area. > how do i detach an attached element?

Not sure how to get your new fabric find up on the wall?

Find the ceiling joists closest to the new wall location, one on either side. Remove the existing wall cladding (see step 1). Why would this happen and how? How to start building walls;