DEFY Wood Stains are easy to maintain. In this video, you will see how quick and easy it is to apply a DEFY Extreme Wood Stain Maintenance coat. DEFY wood stains are water based products as opposed to an oil based product, which makes it easier to quickly apply a maintenance coat without starting from scratch. The easiest way to apply a maintenance coat of DEFY Extreme Wood Stain is with a push brush (like you would use at a car wash) and a block brush for the trim and hard to reach places. The deck in this video was treated about three years ago with DEFY which makes applying the maintenance coat as simple as it gets.