Granby Composites designs and manufactures premium quality 100% leakproof fiberglass tanks that require zero maintenance. In addition to being much more economical than concrete tanks, our fiberglass tanks are 30 times lighter. Our products are designed for dry or flooded excavation. Our tanks are delivered ready-for-use and have a storage capacity ranging from 2,000 to 42,000 gallons (7,000 to 157,000 litres).

UNDERGROUND TANKS
Granby Composites also manufactures underground tanks. Through our specialized equipment, we can create uniquely-designed fiberglass tanks tailored to the specific needs of our customers. Used in a wide variety of industries, our large and multi-purpose tanks meet provincial and municipal standards regarding septic tank installation.
ABOVE GROUND STORAGE TANKS
Our storage fiberglass tanks make for a cost-efficient and durable solution and comply with municipal, provincial and environmental regulations. This type of product is a sound choice for a site’s temporary potable water supply needs, for instance. On top of being low maintenance, the tanks are easy to connect through communicating vessels in all types of locations.
VERTICAL TANKS
We offer a wide range of isolated and non-isolated vertical tanks. These ultra-resistant tanks are made from either dual laminate or composite glass resin. Using these manufacturing materials allows for easy installation regardless of location and with no compromise on the performance of the product. Vertical tanks come in standard or custom designs.
Types of uses