These umbrellas are permanently open and wind-rated for 85 mph winds. You never have to worry about them blowing over or getting damaged in a storm. They can use either shadecloth or vinyl membranes for waterproof applications
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Hypar Umbrella

12' Cornerpost

12' Cornerpost 2

Custom Cantilevered

Custom Cantilevered 2

Dual Conical

6 Meter Cornerpost

Stainless Steel w/Vinyl

Poolside Comfort