Shear panel should run parallel to the studs and according to
UBC should be supported on four sides. I have had arguments
with guys who confuse a diaphram with shear panel-check the
code to see what I mean.
For 9′ walls start at the bottom plate and go to the 8′ fire block-
remember shear panel is just that, it doesn’t hold your structure
together, it braces it. Then I go from the fire block to the top plate
or the parapet frame, we have those where I frame. That’s
Parapet not parasite, look it up!
Sometimes I build 12′ walls for these I block at 4′, run a row of
sheathing horizontally and then
stand up 8′ sheets to get to the top. If you don’t believe me like
the Yankee I argued with last, you can check out Mark Curries’
“Rough Framing Carpentry” it’s a good read and he is among the
three framers I admire most including Larry Haun and Don
Noah Bradley, Santa Fe N.M.