Welcome to Granby Composites where innovation meets reliability.

At Granby Composites, excellence is not just a goal – it’s an expectation. Count on us for unparalleled engineering services, functionality, and durability for all your fiberglass water tank storage needs.

From the definition of technical specifications to after-sales service, including assistance in the production of quotes, our qualified engineering team supports and advises you to maximize the positive benefits associated with your fiberglass tanks.

Easy to reach by phone and email, our team members are passionate about their work, where each project represents a challenge of personalization.

At Granby Composites, each of your needs is considered to provide you with a customized and ready-to-install solution. Do you want a manhole at the place x rather than y? Of course! Do you need a valve in this place? No problem! Do you need an insulated tank instead? It’s like it’s done.


The main benefits of working with our team:

  • Competence – Our team captures your needs and translates them into drawings to illustrate them; your team can then develop the mechanical and technical drawings required for approval.
  • Customization – Together with your engineers, our team designs the tank or pumping station that meets the exact specifications of your liquid recovery, storage, or management project.
  • Ready to install – Plus, throughout the process, our team ensures that these products are easily integrated into your on-site facilities and equipment for you to use as soon as they are received.

Types of uses

  • Over 20 years of experience
  • Thousands of tanks installed
  • Quality products meeting and exceeding the industry’s standards
  • 100% leakproof tanks and 30 times lighter than concrete tank
  • Quick and Easy to Install
  • storage capacity ranging from 2,000 to 42,000 gallons (7,000 to 157,000 litres)
  • Custom design for a true turnkey installation
  • Concern and understanding towards environmental issues

Learn more

Get an Instant Quote

Get a free instant quote for your next project.

Contact an Expert

Give us a call at 819 344-2525 or send us a message.