Yes, cantilever umbrellas can be bought at Walmart. WalMart is a store that sells many items online. You can purchase umbrellas from WalMart and they will have it delivered to the store for free or to your home for a nominal cost.
If your looking for a cantilever umbrella you will have luck shopping at bed bath and beyond. They have cantilever umbrellas at reasonable prices. Use the online or retail store.
galtech.com offers a review of the best cantilever patio umbrellas. However, if you are not satisfied with the information you find in their article, Amazon.com is my personal selection for finding any review I require for anything.
You can check for this site http://www.patio-umbrellas.com and search for their cantilever patio umbrellas. You can browse there their different kinds and different sizes of cantilever umbrella and choose what suits your need.
Cantilever umbrella differ from regular umbrella in that the pole and the base is not found in the middle of the umbrella but on the side or outside the canopy. The canopy will then be hanging down which is contrary to the regular umbrella which is being supported by the pole and the base in the middle.
A cantilever umbrella can be purchased at most home improvement or department store in the lawn and garden section. Home Depot, Lowes, Walmart and Target all sell cantilever umbrellas. They can also be purchased online at Amazon.
Cantilever patio umbrellas, also known as "offset" umbrellas, have become a new favorite for outdoor entertaining, largely due to their flexibility and ease of use in applications where traditional umbrellas fall short. For instance, cantilevered patio umbrellas can provide complete shade over a hot tub or small pool a task impossible for a center-pole umbrella. Cantilevered umbrellas are also an excellent option for shading oddly-shaped or nonstandard tables, or even over an pair of outdoor lounge chairs.
Any home improvement store like Home depot or lowes I'm sure would carry cantilever umbrellas. If not, always try Wal-Mart, they seem to carry everything nowadays.
This question is really next to impossible to answer. There are many styles of umbrellas both offset and fixed. To find the one you want you will need to look at a variety.
PatioUmbrellaUSA.com is a great place to start. They have great low prices and expert customer service. They have a large selection and offer free shipping.
Umbrellas work by using a series of metal sections to create a solid frame. This allows rain to gently flow over the sides.
The Niagara Cantilever Bridge or Michigan Central Railway Cantilever Bridge