Fiberglass

Our fiberglass roll provide excellent transmission of light and solar energy. They with stand heavy snow and wind and are resistant to breakage, hazing, sagging and impacts from hail or vandals. is rated at about 5 oz. thick, about the thickness of a quarter. It has a warranty from the manufacture of 10 years, but if taken care of meaning cleaned annually, use of a shade cover during the sunnier, warmer months, maybe you can probably push between 10-15 years out of it.