This is a continuation of the following thread:
http://groups.google.com/group/alt.h...1fe2c8f8?hl=en

I visited HD and found a transition to 2-1/4" x 12". (27sq")
Here are some photos: http://picasaweb.google.com/basement009/Duct#
I need to flatten out the ductwork and have it hug the microlam to
recover about 3" and make room for a header for a standard door. View
full size to see the labels.