Simpson H6 Hurricane Tie G90 Galvanized (Left & Right) BCS Post Cap w/ Double-Shear Nailing Why is ZMAX galvanization specified

Why is ZMAX galvanization specified for this post base

Install With: Install with 16d common nails or #10 x 1-1/2 Strong-Drive SD screws (sold separately)

Galvanized Predeflected Holdown with Strong-Drive SDS Screws by Simpson Strong-Tie is engineered for use in shearwalls and braced-wall panels

nails (sold separately)

Simpson H6 Hurricane Tie G90 Galvanized (Left & Right) BCS Post Cap w/ Double-Shear Nailing Why is ZMAX galvanization specifiedThe Simpson Strong Tie H6 16 Gauge Galvanized Hurricane Tie is engineered to resist high winds and seismic forces by positively connecting trusses and rafters to the top of wall framing. Manufactured from 16 gauge steel with a G90 zinc galvanized coating for enhanced corrosion resistance, the H6 is suitable for both solid sawn and engineered lumber across a wide range of structural applications. Key Features Great for connecting 2x deck joists on top