This subdivision shall apply only to per-unit retain certificates issued with respect to taxable years of the cooperative association to which this paragraph applied to the association (that is, taxable years with respect to which per-unit retain certificates were issued to one or more patrons who are qualifying patrons).
You can expect a metal roof to last at least 2 to 3 times longer than a regular roof. In general terms, count on a metal roof lasting 40 to 60 years and beyond. To put it in context, the average life span of an asphalt roof is 12 to 20 years.That lifespan can be shorter depending on the pitch of your roof and the climate in your area. Made of oil impregnated paper or fiberglass, asphalt begins to deteriorate as soon as you expose it to normal weather.n general terms, count on a metal roof lasting 40 to 60 years and beyond. To put it in context, the average life span of an asphalt roof is 12 to 20 years. That lifespan can be shorter depending on the pitch of your roof and the climate in your area.
What is the average life span of a cedar roof? The life expectancy of a roof will vary depending on many factors. Some of these factors include the following: age, environment of installation area, quality of wood, quality of installation, care and maintenance performed, foot traffic, and amount of overhanging trees.