DynaGlas® FR CR features ceramic-coated roofing granules with factory-applied cool roof coating to combines the proven UV protection of ceramic-coated granules with a highly reflective coating, offering long-term performance and potential energy savings. The fiber glass reinforcement mat offers excellent dimensional stability and tensile strength and withstands differential movement. The SBS rubber and asphalt blend lends elasticity and flexibility to the sheet and contains fire-retardant additives.