Dexerdry is the patented above floor joist flange gutter placed between deck board which prevents water and the elements from penetrating the surface of the deck. In other words, Dexerdry provides virtual dry space under any outside deck.

Dexerdry is the patented above floor joist flange gutter placed between deck board which prevents water and the elements from penetrating the surface of the deck. In other words, Dexerdry provides virtual dry space under any outside deck.