Wood and water do not typically make for a good combination, and one place that's particularly evident is around exterior doors. The bottom of the exterior doorjambs, which often sit directly on top of concrete patios or wood decks, are subject to extremes of moisture and insect damage. As a result, it's not long before these vulnerable areas can really begin showing damage, and the more rain-, snow- or moisture-laden the climate, the worse the problem can be. more...