The louvered pergola is fully waterproof when closed. Once the rain has passed, the water will have drained away in a controlled manner via the integrated drainage channels.

RENSON's Aero is a louvered roof that can be added to new ... which keeps it in tune with any architectural style. This pergola with tilting louvers creates a pleasant environment for patios.

$15.35 at Amazon $15.35 at Amazon Some pergolas, like this one created by Louvered Outdoors, feature fully integrated lighting, with the wiring hidden inside the framework of the structure.