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AEP Span Underlayment HT

AEP Span is excited to announce that AEP Span Underlayment HT, a premium underlayment solution for steel and aluminum metal roofing, is now part of the Full System Limited Weathertightness Warranties issued by AEP Span. AEP Span Underlayment HT is a high-tensile strength, rubberized, asphalt underlayment specifically designed to withstand temperatures up to 250°F (121°C). […]