Professional Hot-dip Galvanized Grille | Hot-dip Galvanized Grille Angola
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Compare galvanized to powder coat please
If it's actually hot dip galvanized (do you see any spangle or drips to indicate it was dipped in molten zinc?), I think it will be fine for decades. Getting adhesion onto galvanized surfaces can be problematical so I wouldn't powder coat it if the appearance is acceptable to you. Regards, Ted Mooney, P.E. RET finishing.com - Pine Beach, New Jersey
Metal bar gratings have many advantages over solid metal plates such as high strength-to-weight ratio, recyclability and durability and versatility.
Steel bar grating made of ASTM A-1011 mild steel is extensively used as flooring, walkways, platforms and ventilation grates for its recyclability and easy installation.
Aluminum grating has ideal corrosion resistance and best weight-to-strength ratio. It is widely used in harsh environments like industrial plants and offshore.
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Welded steel grating is an economical option for walkways, platforms and drainage covers. Designed with standard and special bearing bar spacing for special orders.
Riveted grating has superiority to load carrying capacity, strength, durability and resistances to impact and fatigue. Available in various spaces.