Hi there,
I am replacing an archway that used to semi-divide a lounge-dining room with a stud-plasterboard wall complete with door, to make a separate room.I removed the timber and plaster archway, leaving the end-studs (?) joined to the walls and the top-plate sitting on them and still attached to the cornices on both sides (well mostly). I left the cornices in place as they seem to be an uncommon type and I didn't want to replace all cornices in both rooms. The top-plate is not attached to anything in the roof area. It is parallel to and about 80 mm directly below a roof truss chord, but not attached in any way.

Q1. How to attach studs to the top-plate? Skew nailing is likely to wreck the cornice still attached. If I completely detach the top-plate from the the cornice how will it stay in place while I skew nail the studs to it?

Q2. How do I attach the top-plate to the truss chord? the Pryda website says to use an internal wall bracket with slits to allow some support but also movement, but not to pack the gap with timber (as I was going to do). However, they do not give any indication how to attach these brackets when the top-plate is directly below the truss chord

Q3. The pryda website also states "Where non-load-bearing walls are stable in their own right, no Internal Wall Brackets are required." Would my stud wall be stable in its own right because it is being held up by the side walls on either end?

thanks in advance


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