Fiberglass is a stand out product in the category of RV roofing as a material that is easy to work with, can bend quite easily without breaking, and won’t dent like aluminum or other metal roofing choices. Filon (fiberglass roofing) is a plastic roofing material that is highly durable; having a specific strength higher than certain grades of steel. This material can be used not only for roofing but repairing (or replacing and upgrading) sidewalls. Versatile, lightweight, and durable this material should be at the top of your list when you’re ready to outfit your RV.