How difficult is it to "build" a door?

This is a continuation of the "Sagging Garage Door" saga from 06-17-12.

What with the Big Heat, etc, it's not practical to repair the door.

Have been to Lowes, Restore, etc. Can't find suitable replacement.

How difficult is it to "build" a door? 32 x 80 x 1.25"?

I look at the rail and stile construction and think "A Mess Of 2x8's, Some
Plywood (for panels) And A Table Saw". Of course, it's more difficult than

I don't need anything particular fancy, just secure and reliable/durable.

Anybody built one? Can anybody help with little details? Simple mortise
and tenon? Which (exterior) glue? Fasteners???


"Law Without Equity Is No Law At All. It Is A Form Of Jungle Rule."