EPDM roof restoration coating systems [+video]

EPDM is a black synthetic rubber single-ply roofing system that is typically mechanically fastened to the roof deck with screws and plates. They are sometimes covered with a layer of gravel or ballasted rock.

Some of the problems with EPDM roofs include moisture gain under the membrane itself, poor self-attachment at the seams and around pipes and other fixtures, UV radiation causing sealants to dry out and crumble, tenting, and punctures.

Because they are black, EPDM absorbs a significant amount of solar heat energy. This negatively influences the material chemistry and leads to accelerated weathering of the membrane. As the processing oils leach out, it becomes less elastic, less flexible, thins out, begins to shrink, and tears and punctures more easily, ultimately causing the roof to leak.

Applying a white roof coating to a new or existing EPDM roof reduces the heat load on the membrane and the building, and significantly prolongs the roof system's service life.

The Environmental Protection Agency, along with legislation in states such as California, Georgia, Texas, and Illinois and several local building codes are now mandating low-slope roofs have an initial and aged solar reflectance that meets ENERGYSTAR® criteria.

Black EPDM membranes have less than 10% solar reflectance, causing the roof to exceed 150 degrees. This is significantly below the minimum required initial solar reflectance of at least 65% for new roofs.

White roof coatings have an initial solar reflectance of 80% or higher, keeping the roof surface near ambient temperature to reduce your energy bills. Coatings also reflect UV rays, which protects the membrane oils, preserves elasticity & flexibility, and provides a protective barrier - all contributing to fewer leaks, extended service life, and reduced life cycle cost of your roof.

Recent improvements in coating adhesion technology in addition to the need for enhanced solar reflectance have created an even greater opportunity for home and building owners to have restoration coating systems installed, avoiding tear-off and replacement of aged EPDM roofs.

So before you replace your aged EPDM roof, consider getting a quote from a professional roofing contractor who specializes in EPDM roof restoration coatings for a more affordable, more energy efficient, more environmentally friendly, more sustainable, and faster-to-install alternative to re-roofing.


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Patton Services | (309) 303-3128 | rpatton55@comcast.net | http://www.whiteroofingsystems.com