GNI is a leader in proving the best customer service to our unique blend of clients ranging from home owners to large scale construction companies, proudly serving all of Southern Ontario.
GNI offers a complete list of building envelope products and services for new and retrofit projects to increase energy efficiency, comfort, and structural durability. – more...These solutions include insulation, air sealing, fireproofing, panel and cladding, building diagnostics, thermography, and more.
We’re also a network of talented people who care about each other and believe deeply in what we do.
If you have a thirst for personal growth, a dynamic personality, and strong interest in the construction field, this is the company for you! – less