The editors of Remodeling.hw.net were at the 2014 Remodeling Show / Deck show this month in Baltimore and named Dexerdry as one of the 9 new products!
From the website:
Dexerdry Deck Waterproofing
Adding a rubber mallet to your toolbox is all you need to install Dexerdry as part of your next deck project. The above floor joist flange act as spacers for deck boards while waterproofing the deck and providing dry, useable space underneath. Designed to withstand the element, Dexerdry is low-maintenance and can withstand 3000 psi powerwashing.