Direct Answer Ensuring ANSI/SPRI ES-1 compliance is a shared responsibility involving the design professional, roofing contractor, edge-metal manufacturer or fabricator,

Direct Answer A 60-mil commercial roof membrane may last longer than a 45-mil membrane in Florida, but the difference cannot

Direct Answer ANSI/SPRI/FM 4435/ES-1 is a wind-resistance testing standard for perimeter roof-edge metal systems used with low-slope roofing assemblies. It

Direct Answer Florida’s High-Velocity Hurricane Zone (HVHZ) has stricter, location-specific building and roofing requirements than many other parts of the

Direct Answer If your commercial roof edge metal is not compliant with ANSI/SPRI ES-1 where the standard is required, the

Direct Answer Yes, 45-mil TPO can be sufficient for certain Florida commercial roofs, provided the complete roofing assembly meets applicable