Recent Updates

“Based on field and test data, it is clear that EPDM roof membranes outperform other roof systems in terms of hail protection. In tests including simulation of hail up to three inches of diameter, EPDMroofing membranes did not suffer membrane… Read More

In the mid-1980s, DuPont developed an energy calculator, which some manufacturers of light-colored membranes used as a marketing tool for their products. The high cost of light-colored membranes, though, was a substantial hindrance to widespread acceptance.

“Cool roofs are defined by the Cool Roof Rating Council as a product with solar reflectivity of at least 0.70 and infrared emissivity of at least 0.75. In its 2005 revision, Title 24, California Energy Efficiency Standards for Residential and… Read More

“Interest in life cycle cost analysis (LCCA) appears to be increasing among building owners and designers. Some of this attention may be attributed to a related and growing interest in ‘green’ building technologies that rely in part on the durability… Read More

“During the past 20 years as a roof consultant, architect and former president of RCI Inc.—The Institute of Roofing, Waterproofing and Building Envelope Professionals (RCI), I have met many roofing professionals who have shared a wealth of information. Additionally, I… Read More

“This article is offered as a proposal for uniformity in the assessment of what actu­ally constitutes hailstorm compromise to various roof types. The discussion reviews the author’s experience from hail events of all magnitudes. Roof types explored herein are not… Read More

“In 1978, the California Energy Commission (CEC) established the Energy Efficiency Standards for Residential and Nonresidential Buildings in response to a legislative mandate to reudce the state’s energy consumption. These standards, which became known as Title 24, are updated periodically… Read More

“Stone-ballasted membranes constitute about 10 percent of all newly constructed built-up and single-ply roofing systems, and many older systems continue to perform well in the low-slope roofing market. Unfortunately, in their zeal some structural engineers have confused the smaller and… Read More

“Since the EPDM Roofing Association (ERA) was founded in 2002, it has sought to educate the construction and roofing communities by providing current, accurate data; technical informational and educational forums to discuss the characteristics and benefits of EPDM roof systems…. Read More

One of the unique attributes of EPDM is its ability to be easily repaired and restored – an attribute never seen before in the roofing industry. In some situations, when system enhancements are incorporated, the aged roof system is restored… Read More