USG C2 Paired Compasso Channels - Manual (Page 5)

Page 5 of 12
Step 8 If the installation is to form a circle, the
inside channel should be installed first.
Step 9 If the channels have intersection notches,
make sure they line up properly.
Step 10 Continue on, referring to the shop drawing
and adding additional hanger brackets
to ensure uniform spacing between the
channels.