On Tue, 13 Oct 2009 15:16:37 +0000, Doug Miller wrote:


If the trusses are spaced 4' on center, you have much greater worries
than any ceiling you might put up there. That's *much* too far apart to
adequately support the *roof*.

Did you mean 2' on center?

4' centers are acceptable (at least in Michigan) for a metal roof.
Not so with a wood roof and shingles, they must be 24".