10' x 15' firestone rubbergard 60-mil epdm roofing rubber rubbergard based on a high-performance synthetic rubber compound, rubbergard epdm membrane exhibits outstanding resistance to uv radiation, the ozone, and weathering from the elements on rooftop installations. rubbergard epdm provides excellent low temperature properties and longer service life. with an environmentally-aware membrane that is recyclable in many situations, the system’s thermal-performance may reduce energy consumption. firestone rubbergard epdm roofing rubber liner system can be fully adhered, ballasted, and mechanically attached during installation. contractors, building owners, architects, and specifiers have trusted firestone building products for superior commercial roofing systems for nearly 30 years. with billions of square feet installed globally, and with a commitment to environmentally-friendly initiatives, firestone has become the preferred supplier of roofing systems throughout the world!