Unistrut Defender


Unistrut Defender is a corrosion-resistant coating designed for channel, fittings, clamps, and hardware. It provides a service life between Hot-Dip Galvanized and stainless steel. Unistrut Defender was tested against Hot-Dipped Galvanized by an independent, accredited 3rd party lab, for 3000 hours of continuous salt spray exposure per ASTM B117. The results showed that the Unistrut Defender coating is 3 times more corrosion-resistant than Hot-Dip Galvanzed.



Anticipated Service Life

Unistrut Defender has over 3 times the corrosion protection of Hot-Dip Galvanized. anticipated-service-life.png


  • 3X the performance of Hot-Dip Galvanized
  • Significantly lower cost than stainless steel
  • Low maintenance


The Unistrut Defender product line is called out with the letters DF at the end of the part number. Example: to specify Unistrut Defender in P1000, use: P1000 DF


More than 200 pages to explore

Unistrut metal framing channel, fasteners and hardware are the materials of choice for OEMs, contractors and plant maintenance personnel. Download the catalog to learn more.