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Superstrut

Superstrut®, with a full compliment of fittings, hardware and accessories to complete any metal framing job, is the only system of its kind to provide multiple finishes for total corrosion protection. 

White Papers:

Galvanized-Finish Metal Strut and Acid Rain

Salt Water Testing for Galvanized Metal Strut

Features

GoldGalv:  All surfaces are protected with a trivalent chromium finish applied over zinc, creating a chemically bonded non-porous barrier. GoldGalv finishes are applied after cutting and punching which protects all surfaces of the finished product.

SilverGalv:  All surfaces are electro-plated with 0.5 mils of zinc after cutting and punching, providing a durable, corrosion resistant product. SilverGalv corrosion resistance is between that of Gold Galv, and Hot Dipped Galvanized products.

Hot Dipped Galvanized: The material is zinc coated after fabrication, providing total product protection on all surfaces. 

Pre-Galvanized:  A zinc coating is applied by hot dipping the steel at the mill prior to fabrication.