Your selection should be based on several important items:
1. Weather - Are you seeking sun protection only OR sun and light rain protection OR sun and heavy rain protection AND also how much wind will the product need to withstand when partially or fully extended?
Retractable pergola guide wire canopies such as our Perugia model https://www.retractableawnings.com/products/retractable-patio-and-deck-pergola-cover-systems/perugia/ are designed for sun only and not for rain. Designed to handle wind up to +-20 mph
Folding lateral arm awnings such as our Palermo Plus model https://www.retractableawnings.com/products/folding-lateral-arm-awnings/palermo-plus/are designed for sun and LIGHT rain. Designed to handle wind up to +-20 mph
Retractable pergola belt driven canopies such as our Salerno model https://www.retractableawnings.com/products/retractable-patio-and-deck-pergola-cover-systems/salerno/ are designed for sun, HEAVY rain and hail. Designed to handle wind up to +-63 mph and can be engineered to handle hurricane force winds up to 175mph
Rotating louver roof systems such as our Bioclimatique model https://www.retractableawnings.com/products/retractable-patio-and-deck-pergola-cover-systems/bioclimatique/ are designed for sun, HEAVY rain, hail, snow load and hurricane force winds. Engineering is based on zip or postal code/location
2. Aesthetics - Folding lateral arm awnings use spring loaded arms and therefore posts are not required. A pergola and louver roof system for the first, third and fourth options above require posts.
3. Outdoor Enclosed Area - Options one, three and four above allow one to have a completely enclosed entertainment area that can be air conditioned in the summer and heated in the winter.
4. Budget - Least expensive is a folding lateral arm awning, then a guide wire system and lastly the most expensive are belt driven pergola systems and rotating louver roof systems
I don't recommend the Lowes item mentioned above as the frame is steel and will rust eventually causing it to collapse. Fabric is a mesh that does not provide complete sun protection and the warranty is only 1 year (see the reviews on the Lowes website here: https://www.lowes.com/pd/Garden-Treasures-134-in-W-x-134-in-L-x-92-in-H-x-Matte-Black-Powder-Steel-Freestanding-Pergola-with-Canopy/50277121#609521+model+tp15-048c.
Please be sure to look for all aluminum non rusting frames with marine grade stainless steel components and a minimum 25 year frame and 8 year fabric warranty.
Hope that helps. Happy to answer more questions or address any and all comments
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