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Low Slope Roofing and ES-1 Testing FAQs

Introduction to ES-1
ANSI / SPRI / FM 4435 / ES-1, the Wind Design Standard for Edge Systems Used with Low-Slope Roofing Systems, was the result of collaboration between SPRI and FM Global to address a need for a universal test standard and establish a reference for designers, specifiers, and installers of edge materials used with low-slope roofing systems.

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