Single-Ply Systems

Examining TPO, PVC and EPDM Membranes to Optimize Roof Performance
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Webinar On-Demand
Sponsored by Johns Manville
Presented by Derek Nickum, EIT, CDT

Learning Objectives:

  1. Explain the different material types, properties and characteristics of TPO, PVC and EPDM roofing membranes.
  2. Describe the different system applications and performance characteristics.
  3. Identify the flashing designs for the different roof assemblies available.
  4. Explore how to match system and installation methods when considering which system would best fit your design criteria.


1 AIA LU/Elective
This test is no longer available for credit

Asking the right questions during the design phase of a building will optimize the roofing system and ultimately optimize performance. This course will help you gain a better understanding of the characteristics of single-ply EPDM, TPO and PVC membranes and how those characteristics are best suited for certain environments.


Derek Nickum presenter image Derek Nickum, EIT, CDT, joined Johns Manville in May 2013. He has a bachelor of science degree in architectural engineering from the University of Colorado in Boulder, Colorado.

Johns manville logo. Johns Manville, a Berkshire Hathaway company, is a leading manufacturer of premium commercial roofing products from bituminous to single-ply and liquid applied, and everything in-between. JM has depth and expertise in the building sciences with top professionals available to help with your building projects. For more information, visit