Sun Shade Umbrellas area a perfect solution for both residential and commercial shading applications.

Residential - Great solution for pools, decks, patios, and spa's. Some umbrellas rotate and tilt which means that you can have the shade when and where you need it.
Installation is easy and no permits are required.

Commercial - Popular with Cafe's, Bars and Alfresco Restaurants, sun umbrellas have also been installed at Sports Clubs and in some larger business premises.

One thing I learned the hard way is that clouds as well as ozone, have a tremendous effect on UV radiation levels. I didn't realize that cloudy skies generally do not offer significant protection from harmful UV rays. Dangerous Ultra Violet rays are invisible, and can attack the skin of young children and pets in just 10 minutes in high exposure times. UV rays can easily create a deadly sun cancer spot.

Here is a "spin off" of shade umbrellas:

Shade Sails:

Shade sails are a modern alternatives to shading using tensile strength and UV filtering fabric.  These are also used in both residential and commercial applications.