The dominant solution for waterproofing areas below decks is to drape plastic membranes within joist spaces below decking to form troughs.
Trex under deck waterproofing.
For pricing and availability.
Double your outdoor living space with an under deck drainage system.
Trex 0 25 ft deck trough.
A revolutionary under deck drainage system uses a network of troughs and gutters to divert water from the deck shields the area below the deck from rain snow sun and other elements.
The trough and downspout design drains water away from your deck allowing you to create a dry patio or storage area on the ground level below.
More usable outdoor living space.
An over the joist deck drainage system such as trex rainescape provides 100 protection from the damage caused by wood repeatedly getting wet.
Easy to install and maintain.
In other words dexerdry provides virtual dry space under any outside deck.
Trex 12 5 in x 10 75 in x 17 5 in rainescape brown plastic deck downspout.
The best way to waterproof under your deck is with a deck drainage system installed during construction.
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.
A drainage system diverts water away from the joists and beams.
Trex rainescape products are manufactured and sold by dri deck enterprises llc under a trademark license agreement with trex company inc.