Based in Barrington, Illinois, Deck Doc brings more than 20 years of experience to customers that are looking to have any type of wooden product sealed, stained, painted, water-resistant or cleaned (pressure-washed). Deck Doc considers ourselves specialists when it comes to sealing, staining, waterproofing and cleaning all types of wooden products, whether its patio decks, furniture, siding, window frames. You name it, we can do it, small or large.