Originally Posted by cheesefood
I'm about 95% idiot, but isn't most of the wood pretty mold-resistant? I thought that mold only attacked drywall and the studs/joists on really old homes.
No.. mold will grow on pretty much anything that retains moisture. Actually, the douglas fir used on older houses, say pre 1930's, is a little more resistant than today's fast grown yellow pine.
Of course, treated lumber is resistant to mold.