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: ...

My guess is you’ve seen wood rot before. Wood rot is caused by water, which is why it’s so important for you to keep any untreated wood in and around your home dry. Keeping wood dry is easier said ...