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: ...

Wood anywhere in your home is vulnerable to decay in the form of either wet or dry rot (both of which are actually fungal infestation). A rotten wooden door, floorboard, section of trim, window sill, ...

Q: When our dog was a puppy, she chewed the wood by the French doors leading to our deck. As time went on, it got progressively worse. Now a piece of the wood has fallen out and the area around it ...