Warminster Fiberglass manufactures durable, corrosion-resistant FRP shelters and enclosures designed to protect sensitive equipment in demanding environments.
From chemical feed systems to electrical controls, our shelters deliver long-term performance where moisture, chemicals, and weather conditions make traditional materials fail.

Warminster offers a complete selection of FRP components for clarifiers, channels, covers, and metering systems. Learn more about each product below:

Flat and round trough designs with reinforced walls and mounting hardware.

Notched weirs, scum plates, and mounting systems for clarifier efficiency.

Sloped FRP baffles engineered to control flow and improve solids removal.

Anti-slip, structural covers designed to block sunlight and minimize algae growth.

Lightweight covers for light-blocking and odor-control applications.

One-piece molded flumes with available stilling wells, staff gauges, and transitions.
Compared to metal or concrete components, fiberglass offers several performance benefits:
This durability makes FRP one of the most reliable material choices for both new construction and rehabilitation projects.


Warminster’s wastewater components are manufactured using materials that meet ANSI/AWWA F101 standards for FRP construction. Additionally, key products—such as wash water and collection troughs—are NSF-certified for use in potable water applications.
We also support:
These certifications help ensure compatibility with funding requirements and municipal specifications.
With decades of experience supplying FRP components for treatment facilities across the country, Warminster Fiberglass delivers durable, consistent, and easy-to-install products engineered for long-term operation.