14 Jan Why Choose a Double Wind Vent Market Umbrella?

Has this ever happened to you?


Or this?


This is an often overlooked risk to consider when shopping for patio umbrellas for moderately windy locations—even the most secure bases can only do so much to protect your umbrella. Fortunately, Greencorner umbrellas are naturally more weighted than most other teak, bamboo, fiberglass, and aluminum umbrellas on the market (so we’ve never heard of one of our umbrellas sailing off into the Wild Blue Yonder), but it’s important to consider the amount of wind your umbrella will have to withstand in your patio so that it may have the longest and most comfortable life. Just one extra vent on your umbrella could mean the difference between having an umbrella on your patio, and having an umbrella on your roof!

A single vent patio umbrella rests on a second story roof after a large gust of wind.

This single vented patio umbrella is doing its best impression of a weather vane.


Almost all patio umbrellas on the market are single vented. While they may not look like they do much, vents are a necessity and serve a few purposes, the most important of which is to let air pass through the canopy more freely to improve the overall stability of the umbrella. They prevent the canopy from ‘parachuting,’ which could knock your umbrella over or send it flying from an unexpected gust!

A single vented patio umbrella appears as a speck in the sky due to a strong gust of wind carrying it away.

Up, up, and away!


The other benefit of venting comes from the fact that heat rises—vents allow the heat generated by people sitting under it to escape through the top when the wind isn’t blowing. For this purpose, the benefit of additional venting may be negligible in most environments. However; if you’re using your umbrella as respite from the scorching sun during a long summer (Florida last year, anyone?), it can help significantly to drop the temperature under your umbrella.

Double wind vents, as practical as they are, can also be purely aesthetic; more panels means more customization options. A second vent allows for extra design choices such as more alternating colors, more contrasting borders, and even the option to add a horizontal accent stripe to perfect your patio. An unaltered vent itself may provide a more complex aesthetic appeal by adding soft lines.

A Greencorner 13'x10' umbrella viewed from the ground up on a sunny day.

A double vented umbrella backlit by the sun can add an interesting design!


So, depending on your location, a single wind vent may not provide quite enough air throughput, especially for larger umbrella sizes. A double wind vent will allow more air to pass through the canopy and effectively put less strain on the umbrella frame and the canopy itself, prolonging the life of your umbrella—potentially for years!

A rotating image of a Greencorner 13'x10' umbrella, as viewed from above.


We highly recommend choosing a Greencorner double wind vent umbrella for gusty locations (e.g. waterfronts, downtown locations affected by the Venturi effect, or any area with sustained wind, breeze, or occasional strong gusts). Any Greencorner umbrella can be fitted with a double vented canopy!


Below is a visual representation of how umbrella vents work in windy conditions (the areas marked in red denote high stress):
A competitor's umbrella with one wind vent, with windflow illustrated.A Greencorner umbrella with double wind vents, with windflow illustrated.

See for yourself what a difference a double wind vent can make:

Thanks to Stephanie and Mark for sharing their runaway umbrella stories, and, as always, keep an eye on our social media pages for upcoming deals!

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