 For many years, EPDM (ethylene propylene diene terpolymer) has consistently been the number one choice of architects and contractors for new construction and re-roofing projects. There are a number of characteristics that contribute to its prevalence in commercial roofing applications: (a) proven hail resistance, (b) high resistance to weathering & abrasion, (c) flexibility in low temperatures, (d) thermal shock durability, (e) ultraviolet radiation resistance, (f) energy-efficient, and (g) the ability to meet stringent Class 1 roofing requirements.
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