Step by Step Installation Guide for our most updated Underceck Ceiling
The Screen-Overflow box directs the flow from the Underdeck's gutter to the outside of the deck. This permist the installation of screen enclosures and provides a relief flow in the event of a stopped underground drain.
Engineered to be strong and easy to install in your Underdeck Ceiling. It will not inhibit the flow of water to the downspout.