Open 1 Grate/3 10ft aluminum frame & rivers

Premium Material Construction: The pergola is made of a powder-coated aluminum frame and a tilting louvered roof of galvanized steel that withstands up to 73 mph winds.Durable construction for year-round use Innovative design: a louver roof with adjustable angles lets you control outdoor light and ventilation.Effortlessly open or close the louver roof with a simple crank, adapting to changing weather conditions. Integrated Drainage System: Rainwater will be diverted to the columns through the built-in integrated drainage system, where it will be drained through the notches in the base of the posts. Endless comfort: our pergola creates the perfect outdoor leisure space, fostering cherished memories with family and friends.Ideal for gardens, backyards, parties, and commercial/domestic BBQ use. Multipurpose outdoor solution. Easy to Assemble: Prefabricated rails and Louvers require no special rivets or welds for assembly, and can be stably attached to the ground through the supplied expansion bolts. Attention: Do not allow snow to accumulate on the louver roof. If moderate to heavy snow is expected, open the louvers. In the case of high winds or other extreme weather conditions, open the louvers and raise or remove any shade screen accessories that have been installed to avoid potential damage to your pergola.