FRP Infrastructure and Corrosion-Resistant Composite Solutions

Built for Harsh Environments. Engineered for Long-Term Performance.

FRP infrastructure provides corrosion-resistant alternatives to conventional steel and concrete components in water treatment, wastewater systems, industrial facilities, and underground containment applications. Performance Composites manufactures custom fiberglass reinforced plastic (FRP) structures, containment pits, tanks, covers, and specialized components designed around customer specifications. Our manufacturing facilities in Compton, California, and Reno, Nevada, support infrastructure projects throughout the United States.

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Corrosion-Resistant Composites for Infrastructure

Infrastructure components are frequently exposed to moisture, chemicals, underground conditions, and industrial environments that can accelerate material deterioration.

Fiberglass reinforced plastic combines glass fiber reinforcement with a polymer resin system to provide structural strength and resistance to many corrosive substances.

Performance Composites manufactures custom components for:

Stormwater Management Systems
Wastewater and Sewage Treatment Facilities
Underground Containment Pits
Industrial Tanks and Covers
Chemical Processing Equipment
Utility Infrastructure
Equipment Housings
Custom Fiberglass Fittings
Corrosion-Resistant Structural Components
Aboveground and Underground Installations

Each component is manufactured according to customer-defined dimensions, loading conditions, and environmental requirements.

FRP vs. Steel and Concrete for Infrastructure

Steel and concrete are widely used in infrastructure construction, but both can experience deterioration in corrosive environments. FRP offers different material properties that may make it suitable for selected applications.

FRP vs. Steel

Steel provides high structural strength but requires corrosion protection in many chemical and moisture-exposed environments.

Fiberglass does not rust and can be manufactured using resin systems selected for specific chemical exposure.

FRP also has a lower material density than steel, which may reduce component weight and handling requirements.

Typical material densities illustrate the difference:

Material	Approximate density
Fiberglass reinforced plastic	1.5–2.0 g/cm³
Carbon steel	7.85 g/cm³
Conventional concrete	2.3–2.4 g/cm³

These are general material values. Finished component weight depends on structural design, wall thickness, reinforcement, and hardware.

FRP vs. Concrete

Concrete is commonly used for pits, tanks, and underground infrastructure. However, exposure to certain chemicals and aggressive wastewater environments can contribute to deterioration.

FRP provides an alternative for applications requiring molded structures and corrosion-resistant surfaces.

Unlike cast concrete, composite structures can be manufactured in complex shapes using custom molds.

Choosing the Appropriate Material

Material selection depends on chemical exposure, loading conditions, installation requirements, and expected service conditions.

FRP is not a direct replacement for steel or concrete in every application. Each design must be evaluated for its structural and environmental requirements.

Fiberglass Containment Pits and Underground Structures

Underground infrastructure may require custom structures that accommodate equipment, piping, access openings, and surrounding soil conditions. Performance Composites manufactures fiberglass containment pits and other molded structures according to project specifications.

Underground Containment Pits

Fiberglass pits can be designed around specific dimensions, access requirements, and equipment layouts. Structural design must account for soil pressure, groundwater conditions, installation depth, and applicable loads.

Utility Containment Structures

Custom composite structures can house equipment or provide containment within utility installations. Molded construction allows features such as access openings and mounting locations to be incorporated into the component design.

Large One-Piece Structures

Fiberglass manufacturing can produce large, complex shapes without requiring multiple separately fabricated shell sections. Reducing the number of joints and seams may simplify installation and eliminate some potential leakage paths, depending on the completed design.

FRP Tanks, Covers, and Industrial Equipment Housings

Industrial facilities often require specialized components that cannot be sourced in standard dimensions. Performance Composites manufactures custom fiberglass structures for equipment protection, containment, and supporting infrastructure.

Fiberglass Tanks and Containment Components

Composite tanks and containment structures can be manufactured using resin systems selected for their intended chemical environment. Wall construction, reinforcement, and geometry must be established according to loading and operating requirements.

Equipment Covers and Protective Housings

Fiberglass covers can protect industrial equipment from environmental exposure while accommodating access and mounting features. Custom construction allows components to fit existing equipment and installation constraints.

Fiberglass Fittings and Specialty Components

Industrial systems may require custom fittings, transitions, covers, and molded parts. These components can be manufactured according to customer drawings and dimensional requirements.

Corrosion Performance of Fiberglass Composites

Fiberglass composites can resist many chemicals that cause deterioration in conventional materials.

Depending on the resin system, FRP may be suitable for exposure to selected acids, bases, salts, and industrial gases.

However, chemical resistance is not universal.

Resin Selection

The resin system plays a major role in determining a composite component’s chemical resistance. Different polyester, vinyl ester, and epoxy systems have different compatibility characteristics.

Chemical Concentration and Temperature

A material that performs adequately at one chemical concentration or temperature may not be suitable under more aggressive conditions. Operating temperature, chemical concentration, exposure duration, and cleaning procedures must be considered.

Structural Requirements

Chemical resistance alone does not establish whether a component is suitable for an application. The laminate must also withstand the expected mechanical loads, installation conditions, and environmental stresses.

FRP Infrastructure Service Life and Maintenance

Service life is an important consideration for infrastructure owners because replacement and repair work can interrupt operations.

Properly designed fiberglass structures can provide long service periods in suitable environments.

Some FRP infrastructure applications are designed for service lives of 25 years or longer, but this is not a guaranteed lifespan for every component.

Actual durability depends on:

Resin and Reinforcement Selection
Chemical Exposure
Operating Temperature
Structural Loading
Ultraviolet Exposure
Installation Conditions
Inspection and Maintenance

Project-specific service-life requirements should be established during design and material selection.

Custom FRP Infrastructure Design and Tooling

Infrastructure projects frequently require components that fit existing equipment, underground spaces, or specialized installation conditions.

Performance Composites provides engineering assistance and in-house tooling for custom fiberglass manufacturing.

Our capabilities include:

CAD Design Support
Material Selection Assistance
Prototype Development
CNC-Machined Masters
Custom Mold Fabrication
Production Tooling
Locating Fixtures
Tooling Modifications

Component geometry, installation requirements, and expected production quantities determine the appropriate tooling approach.

Fiberglass Manufacturing Processes for Infrastructure

Performance Composites offers multiple fabrication methods for custom composite components.

Vacuum infusion draws resin through reinforcement materials inside a sealed mold and is suitable for many large molded structures.

Light resin transfer molding (Light RTM) uses matched tooling and controlled resin introduction for selected production applications.

Hand layup provides flexibility for complex shapes and custom reinforcement placement.

Spray layup offers another manufacturing method for suitable fiberglass components.

The selected process depends on component geometry, material requirements, surface specifications, and production volume.

CNC Machining, Finishing, and Assembly

Infrastructure components may require machining and hardware installation before delivery.

Performance Composites provides secondary manufacturing services according to approved customer drawings.

Our capabilities include:

CNC Routing and Trimming
Drilling and Equipment Cutouts
Threaded Insert Installation
Mounting Bracket Integration
Hardware Installation
Surface Preparation
Protective Coatings and Finishing
Dimensional Inspection
Final Assembly
Packaging and Crating

These operations prepare custom fiberglass structures for the next stage of installation or customer assembly.

Quality Control for FRP Infrastructure Components

Infrastructure components must meet dimensional requirements to fit equipment, piping, and surrounding structures.

Performance Composites operates under an ISO 9001:2015 certified quality management system.

Our inspection capabilities include coordinate measuring machines (CMM), Romer arm measurement, and 3D scanning.

These tools support dimensional verification against approved customer drawings and CAD models.

Inspection requirements and tolerances are established for each project.

FRP Infrastructure Manufacturing in California and Nevada

Performance Composites provides American-made fiberglass and advanced composite manufacturing services from two facilities.

Compton, California

Our 53,000-square-foot Southern California facility supports infrastructure and industrial manufacturers throughout Los Angeles County and surrounding markets.

Reno, Nevada

Our 51,000-square-foot Reno facility provides additional manufacturing capacity for customers in Nevada, Northern California, and other western states. We serve customers nationwide, including Arizona, Utah, Oregon, Washington, Colorado, and other industrial markets.

Why Infrastructure Manufacturers Work with Performance Composites

Performance Composites brings more than 40 years of composite manufacturing experience to specialized industrial applications.

Our in-house tooling department, multiple fabrication methods, CNC machining capabilities, and finishing operations support custom projects from prototype development through production.

We manufacture corrosion-resistant fiberglass structures according to customer drawings, material specifications, and operating requirements.

Discuss Your FRP Infrastructure Project

Need corrosion-resistant composites, fiberglass containment pits, custom tanks, or specialized infrastructure components? Performance Composites provides tooling, manufacturing, machining, and assembly services for industrial and utility applications nationwide.

FRP Infrastructure FAQs

What is FRP infrastructure?

FRP infrastructure refers to components made from fiberglass reinforced plastic for industrial, utility, water treatment, and other infrastructure applications. These materials combine glass fiber reinforcement with polymer resins to provide structural properties and corrosion resistance. FRP can be manufactured into tanks, containment pits, covers, fittings, and other custom structures.

How does FRP compare with steel in corrosive environments?

Fiberglass reinforced plastic does not rust like steel and can resist many chemicals when the appropriate resin system is selected. It also has a lower material density, which may reduce the weight of certain components. Structural suitability and chemical compatibility must be evaluated for each application.

Can fiberglass containment pits be installed underground?

Yes. Fiberglass containment pits can be designed for underground applications when their construction meets the required loading and installation conditions. Soil pressure, groundwater, installation depth, and equipment loads must be considered. The final design must comply with applicable project specifications and engineering requirements.

How long do corrosion-resistant fiberglass structures last?

Service life depends on resin selection, chemical exposure, temperature, structural loading, and maintenance conditions. Some properly designed FRP infrastructure components are intended for service periods of 25 years or longer. Actual performance must be evaluated against the specific operating environment rather than assumed from the material alone.

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