That's interesting, because I've tried both ways on different projects and honestly didn't notice a huge difference either. Maybe climate or soil type...

I see your point about cellulose being messy—I had a similar experience recently when we had to fish speaker wires through a client's attic. Not exact...

Couldn't agree more with this point. Last year, I worked on a custom home where the client insisted on top-of-the-line windows with extremely low U-fa...