Q: Three interior doors are out of plumb. One swings closed unless it’s more than halfway open and has been that way since we bought the house; it may be the house that’s out of plumb, as it’s almost ...

Q: A sliding door on my fourth-floor roof deck is rotting at the bottom. Can I replace the rotten wood without replacing the entire door set? If so, how would I go about doing this? Arlington, Va. A: ...