A Quick Guide for Nonmetallic Enclosure Material Selection

Choosing the wrong enclosure material can lead to premature failure and higher costs. See how fiberglass and polycarbonate compare, and learn which material is best for your application. Download now.
Sept. 3, 2026

Selecting the right enclosure material is essential for maximizing performance and service life in industrial environments. This guide compares the properties of fiberglass and polycarbonate enclosures, highlighting the strengths of each material and the applications where they excel. Fiberglass offers exceptional durability, chemical resistance, corrosion protection, and UV performance, making it ideal for harsh outdoor environments such as solar, wastewater, telecom, mining, and carwash facilities. Polycarbonate provides a lightweight, cost-effective solution with excellent impact resistance and easy modification, making it well suited for automation, instrumentation, pump controls, security systems, and electronics. The guide also includes corrosion-resistance recommendations for common chemicals, helping engineers and specifiers select the best enclosure material for their specific application.