ES-1 wind-rated metal refers to metal components, such as edge metal or perimeter flashing, that meet the ANSI/SPRI ES-1 standard. This standard is developed by the American National Standards Institute (ANSI) and the Single Ply Roofing Industry (SPRI) to ensure that roof edge systems can withstand specific wind speeds and uplift pressures. Key aspects of ES-1 wind-rated metal include:
Design Requirements: The metal must be designed to resist the wind pressures specified in the ANSI/SPRI ES-1 standard, which is based on the wind speed and building height.
Testing: The metal components must undergo rigorous testing to ensure they meet the required performance criteria. This includes tests for uplift resistance and structural integrity.
Application: ES-1 rated metal is commonly used in roofing systems, particularly in commercial buildings, to ensure that the edges of the roof remain secure during high wind events. This helps prevent roof damage and potential building envelope failure.
Overall, ES-1 wind-rated metal provides an assurance of durability and safety for roofing edges in areas subject to high winds.


