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Validated Products
  • Listee
    • Johns Manville
  • Manufacturer Location
    • Milan, OH
  • Category
    • Roofing Material
  • SubCategory
    • Single-Ply Membrane
  • Certification(s)
    • ASTM D4637


JM EPDM R is a flexible sheet made from ethylene-propylene-diene terpolymer (EPDM) intended for use in single-ply roofing membranes. Membrane is manufactured as 45mil, 60mil, or 75mil cured, internally reinforced sheets. Membrane can be applied with approved mechanical fasteners or adhesives; refer to manufacturer for product uses and application details. Refer to manufacturer for lap sealing methods.


ASTM D4637
Product has met specification requirements of ASTM D4637, Type II.