I used all the felt I had left to wrap the entryway. I ran out before I finished the sheltered part above the door. That means I will have to buy a whole roll just to do that little part--and the west end, too, of course.
I removed the cedar boards from the floor of the entryway to install the radiant barrier and housewrap--and look what I found living under there! Hundreds of ladybugs. They're gone now, but I wonder what might be the best way to keep them from returning...