Weighing the Benefits: Fiberglass vs. Steel

Weighing the Benefits: Fiberglass vs. Steel

Kirby FeslerMar 24, '23

You’ve heard us weigh the differences time and time again on our blog - how do the benefits of fiberglass parts consistently outweigh the benefits of steel parts every time? We’ll break it down for you:

  • Fiberglass is more resistant to dents and scratches and isn’t prone to rust like steel. As a result, a fiberglass service body will keep its good looks longer than a steel body. 
  • Fiberglass is lighter than steel, which can be important if you use a service body on a smaller vehicle.
  • Fiberglass is stronger than its steel counterpart pound for pound. 
    • When it comes down to it, a fiberglass beam that is a quarter inch thick will ultimately support more weight than a steel beam that is a quarter inch thick.
  • Fiberglass beats steel in terms of corrosion resistance, flexibility, and nonconductive properties. 
    • Steel is a very rigid and heavy metal, and while rigid materials are great for strength and durability - lack of flexibility also makes steel susceptible to denting from impact. 

We’ve said it before and we’ll say it again: Reinforced fiberglass products are the best option when investing in long-term value, durability, and strength. 

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