Fiberlite makes use of Solid Fiberglass Ribs which provides optimum strength to withstand the harshest conditions. The pattened design, manufactured by Shakespeare Incorporated. would be the only solid ribs in the marketplace. The umbrellas will certainly certainly not have issues with rotting, corroding or distorting due to the fact of all the stainless steel, nylon and fiberglass ribs and weather resistant hardware. Unequaled flexibility of the Fiberlite patented solid .302 and .500 fiberglass rib lines permit the umbrellas to flex to the extreme limits without breaking or cracking. This flexibility permits the Fiberlite umbrellas to absorb excessive wind gusts and abuse as well as other severe situations. We can customize the umbrella to suit your requirements. Manufacturing in the United States, permits us to change the design and styles if you need, like incorporating silk screen logos.UMBRELLA WARRANTYFiberlite Umbrellas feature a complete 5 year commercial warranty on the umbrellas which have a fiberglass pole and awning grade fabric. This particular warranty doesn't include any other fabric, including those supplied by the consumer. Logos and silk screens, aluminum cranks and poles, wood bottom poles and any custom designs have no coverage under this warranty.All Fiberlite Umbrellas need to be closed down in severe windy conditions or along with any kind of risk of stormy weather conditions. This warranty doesn't include any acts of God, weather associated damage, failure in securing umbrellas, misuse, vandalism, neglect or wind related damage. All warranty claims are subject to prior examination from your Fiberlite representative.