Hail Impact Testing of EPDM Roof Assemblies

The EPDM Roofing Association retained the services of Jim D. Koontz & Associates, Inc. to perform laboratory testing on 81 test targets provided by the association. The targets varied in age and substrate. The samples were impacted with ice spheres… Read More

Long Term Performance of EPDM Roof Membranes Revisited

The results obtained in this study confirm the outstanding field aging performance of EPDM membranes. The tensile strength and tear resistance data obtained for both ballasted and exposed roofs exceed the ASTM D 4637 specifications new and heat aged membranes… Read More