Who we are

Part of the One Alliance Group of Companies (Limited), One Alliance Insulation serves both residential and commercial clients throughout the Greater Toronto Area. We specialize in the application of spray polyurethane foam (SPF), blown-in insulation, and insulation removal. One Alliance Insulation is a Licensed Contractor of the Canadian Urethane Foam Contractors’ Association, having met requirements of the SPF Quality Assurance program (based on ISO 9002 principles). Our Sales Engineer, technicians and Quality Assurers are licensed under CAN/ULC S705.2 standards, ensuring full compliance with Canadian building codes.

Our carefully trained and experienced technicians lend their expertise to get the job done safely, on time, and with great attention to detail- ensuring client satisfaction while preventing costly, unforeseen repairs. One Alliance Insulation treats your property with great care, as if it were our own. All work sites are backed by $2 million liability insurance. Additionally, all our technicians are insured under WSIB. Our services are recommended by builders, renovators, architects, interior designers, and homeowners alike. Let us work with you to meet your home or business’ insulation requirements while maximizing energy savings.