Have a slightly sloping garage roof that I plan to demolish & instead put a gable roof, is this a feasible option that I can use to modify the hammarband for the new rafters. Here I will cut all the wall ties at the same height and then lay a beam on the flat and set noggings up to the new hammarband.
I have the same consideration as you, and I've concluded that it must be easiest to frame up a new wall plate with short studs, mitered with the slope of the roof. It shouldn't be complicated with a decent miter saw. What has made me hesitate is how stable it can be, as mats_o mentioned, you should probably add some diagonal bracing even on a small framing construction. Perhaps one should set the studs 12 mm from the outer edge and place a standing wedge of construction plywood as reinforcement?
I will absolutely not cut apart the existing structure unless there are good reasons.
I will absolutely not cut apart the existing structure unless there are good reasons.
I have been having similar thoughts about inserting fill pieces under the new top plate, but have struggled with the idea of diagonal bracing. I've been thinking a bit about trusses and how they're constructed with diagonal reinforcement, etc... but construction plywood should of course be used! Thanks for the guidance, I'll head to the drawing board right away =D I found a glulam beam at Beijer with the dimensions 405*90*4000, which would give me two wedges if I split it, but it might be a bit too bulky and not very stable when anchored.