Salida Flat Roofing

Duro-Last® EV Roofing Membrane System


Duro-Last EV, is a Ketone Ethylene Ester (KEE) containing membrane, offering the same UV resistance, reflectivity and enhanced chemical resistance that Duro-Last is known for. Utilizing DuPont’s™ Elvaloy®, Duro-Last EV roofing membrane is flexible and weldable in low temperatures and performs well in cold, harsh environments.

KEE Roofing Membrane Product Information

  • KEE roofing membrane available in roll goods only.
  • 50 and 60 mil thickness.
  • A complete line of custom prefabricated accessories is available for the Duro-Last EV membrane.
  • 10’ rolls reduce welding and enable a quick, quiet and easy installation — also available in 2½´ and 5’ roll widths.
  • It’s important to note that EV membranes are not compatible with Duro-Last®, Duro-Tuff®, Duro-Fleece®, Duro-Fleece Plus®, Rock-Ply® or Shingle-Ply® membranes and therefore, neither these membranes or accessories made from these membranes may be used on EV installations.

Contact us today to learn more about how United Roofing of Colorado can help you get the superior protection offered by the Duro-Last Roofing System.