MegaDomes offer excellent resistance to corrosion. As a standard for effective general corrosion protection, low temperature silicone-bronze welding in conjunction with pre-galvanized steel is employed in the manufacturing of the MegaDomes® arch-frames.
For superior protection and for corrosive environments, hot-dip galvanizing, with a 4 mil. thick zinc coating, applied after fabrication and welding is available. This provides a life expectancy of 50 years, in general use; and 25 years in industrial use.
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