The SBS rubber and asphalt blend lends elasticity and flexibility to the sheet and contains fire-retardant additives. The thicker JM SBS coating provides more waterproofing value. The polyolefin burn-off film promotes ease of heat welding. It features ceramic-coated roofing granules with factory-applied cool roof coating that combines the proven UV protection of ceramic-coated granules with a highly reflective coating, offering long-term performance and potential energy savings.