For good drainage you want a minimum of 1 8 in.
Roof deck drainage.
Both of these were retrofits to existing decks and worked pretty well keeping out all but a few drips.
Convert the space under a second story deck into a dry spacious patio by installing this simple under the deck roof and gutter system.
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.
One of our readers rune eriksen sent us photos of his design for a home built deck drainage system and we were impressed enough to check it out.
Note the continuity of the water control layer of the wall connecting to the deck connecting to the wall again.
Roof drains watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application.
Trex rainescape under deck drainage system.
In another case i fastened the corrugated plastic to the roof rafters of the below deck shed as there was plenty of headroom.
Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor.
Per foot of slope away from the house preferably 1 4 in.
Double your outdoor living space with an under deck drainage system.
Insulating the bottom of decks wrong the water management is awesome.