What Makes HVHZ Different?
High Velocity Hurricane Zone requirements represent the strictest building code standards in Florida. These standards were developed after Hurricane Andrew to ensure roofs can withstand extreme wind conditions.
Florida Product Approved / Miami-Dade NOA materials
Sealed roof deck with secondary water barrier
Full peel-and-stick underlayment where specified
Enhanced fastening with ring-shank nails
6-nail high-wind pattern or engineered equivalents
ES-1 rated edge metal for wind resistance
Hurricane-sealed penetrations
Stamped engineering and manufacturer specs
