Fiberglass Reinforced Polymer

Built to Bend, Born to Outlast.

Thompson Pipe Group is a trusted manufacturer of FRP (fiberglass reinforced polymer) pipe and joints for construction projects across North America. As the exclusive North American manufacturer of Flowtite®, we provide complete product, installation, and engineering support for municipal, industrial, and trenchless applications. Our FRP pipe systems are designed around your project needs, offering reliable performance, cost-saving benefits, and a lower environmental impact due to the material’s inherent efficiency compared to traditional pipe materials.

TPG FRP Features

State‑of‑the‑Art Material

Tough, state‑of‑the‑art fiberglass pipe manufactured with standard joint systems suitable for buried and pressure applications.

Engineered for Project Needs

Custom‑manufactured to meet exact project requirements, including tailored outer diameters, lengths, stiffness levels, and pressure grades.

Lightweight Construction

Manufactured with lightweight fiberglass materials enabling transport into difficult or confined installation areas.

Structural Integrity

Laminated wall construction using fiberglass and polymer mortar delivers inherent hoop and axial strength for pressure and buried conditions.

Corrosion-Resistant Materials

Inherently corrosion‑resistant fiberglass construction with optional resin liners for highly aggressive environments.

Pressure and Stiffness Class Options

Standard pressure ratings up to 450 psi and multiple stiffness classes for direct bury, jacking, or slip‑lining installations.

UV Resistance

Resistant to UV exposure, allowing above‑surface installation without impacting long‑term performance.

Advantages:

  • Exceptional resistance to both internal and external corrosion, suitable for water, wastewater, and industrial applications.
  • High strength‑to‑weight ratio with lightweight construction for easier handling and installation.
  • Customizable diameters and pressure classes available from 12″–156″ and up to 450 psi.
  • Lightweight construction, low maintenance, and long service life help reduce project and lifecycle costs.
  • Versatile joint options including flush, pressure‑rated, and lock‑restrained systems.

Typical Fiberglass Pipe Applications

  • Water transmission mains (potable and raw water)
  • Sanitary sewer interceptors, trunk lines, and outfalls
  • Force mains for wastewater and pressure systems
  • Stormwater drainage and collection systems
  • Hydroelectric penstocks and cooling water systems
  • Industrial and chemical process piping
  • Irrigation and agricultural water supply
  • Marine outfalls, seawater intakes, and desalination lines
  • Mining and slurry piping systems
  • Sliplining, rehabilitation, and non‑circular custom profiles
  • Trenchless, jacking, and microtunneling installations
  • WWTP process piping and treatment plant applications

Installation Types

  • Direct Bury
  • Sliplining
  • Jacking & Microtunneling
  • Tunneling (Two Pass)
  • Above Ground

Key Installation Considerations and Components

  • Technical support services with field assistance and project management available.

See full product list

The Next Generation of Pipe Solutions.

The widest range of precast, pressure, and trenchless pipe solutions in North America, backed by industry-leading engineering and logistics. Thompson Pipe Group delivers all that.

Welcome to the updated Thompson Pipe Group website!

We’re rolling out new and refreshed pages over the next few weeks. Can’t find something you’re used to seeing? Or have a feature you’d love to suggest

Our marketing team is here to help: (972) 262-3600

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.

At Your Service.

Complete the form below so we can connect you with the right person to help. We typically respond within a day. If your request is urgent, please don’t wait—find all our contact details by state under Contacts.


    Fill out your details and our team will be in touch with a custom quote or design support.