A deck drainage system creates a dry usable space underneath your second story deck and protects your deck substructure from moisture which can lead to wood rot and decay.
Roof deck drainage.
To provide drainage the panels should slope toward the outside edge of the deck about 1 4 in.
Double your outdoor living space with an under deck drainage system.
First mark all the purlin locations on the deck joists.
Some general rules about roof deck drainage.
Trex rainescape under deck drainage system.
Depending on the size of the roof deck you will want it to drain toward the middle or to the edges.
If you want to get the most bang for your buck consider installing a deck drainage system.
All the zurn products are engineered and manufactured to meet all ansi standards.
If your roof deck is large enough you want to create slope drainage from two sides toward the middle.
Since its founding in 1900 as the hydromechanics division the zurn specification drainage operation has been a leading producer of roof drains deck drains and floor drains for the commercial industrial and institutional building construction industry.
Roof drains watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application.
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.
Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor.
Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs.
If the span under your deck is 12 ft for example the purlin at the outer end of the deck should be 3 in.