Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets across commercial, institutional, industrial, agricultural and residential sectors. Our vision is to build a better future by providing homeowners and builders with the products and services they need to help reduce their carbon footprint and build safer, more energy-efficient and sustainable communities. Headquartered in…
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Great Northern Insulation is a full-service building envelope solutions provider and leader throughout Southern Ontario.
Full company description
Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets across commercial, institutional, industrial, agricultural and residential sectors. Our vision is to build a better future by providing homeowners and builders with the products and services they need to help reduce their carbon footprint and build safer, more energy-efficient and sustainable communities. Headquartered in Woodstock, Ontario, Great Northern Insulation is trusted by some of Canada's largest and best-known construction companies and backed by Ironbridge Equity Partnership. To learn more, visit gni.ca.
LinkedIn followers
2,254
People associated on LinkedIn
157
Reported office locations
935 Keyes Drive, Woodstock, Ontario N4V1C3, CA
29 Ferndale Industrial Drive, Barrie, Ontario L4N 9V5, CA
1027 Jones Road, Gravenhurst, Ontario P1P1R1, CA
450 Industrial Drive, Milton, Ontario L9T5A6, CA
103 North Port Road, Port Perry, Ontario L9L1B2, CA
7035 Industrial Drive, Comber, Ontario N0P 1J0, CA
1035 Moodie Dr, Ottawa, Ontario K2R 1H4, CA
6260 Don Murie St, Niagara Falls, Ontario L2G 0B4, CA
Business categories
Construction
Consulting
Construction, repair and maintenance
Other recorded names
GNI Management Group Inc.
Great Northern Insulation
Specialties
Retrofit Drill and Fill
Spray Foam
Blown Fibre Insulation
Fibreglass Batts
Air Sealing
Vapor Barrier
Fire Protection
Insulation
Residential Retrofit
New Residential Construction
Commercial Retrofit
and New Commercial Construction
Profile identifies a recruitment agency
No
Reported total investment
0
Currency and observation date were not supplied; this is not a current valuation or a funding round.
Industry
Construction
Size
201-500 employees
Headquarters
Woodstock, Ontario
Organization type
Privately Held
Year founded
1980
Specialties
Retrofit Drill and FillSpray FoamBlown Fibre InsulationFibreglass BattsAir SealingVapor BarrierFire ProtectionInsulationResidential RetrofitNew Residential Construction
Great Northern Insulation has 10 open jobs in Canada as of November 6, 2026. Top locations: Ottawa, London and St. Catharines.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Great Northern Insulation needs candidates with excellent communication skills, strong attention to detail and a reliable, positive attitude. Residential construction or building science interest is an asset, and availability for afternoons, evenings and weekends is required.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Candidates need working knowledge of building codes and insulation standards, the ability to work independently and lift insulation materials, and comfort in attics, crawl spaces and at heights. They also need safety certifications, their own hand tools, a valid driver's licence and reliable transportation.
ladders, scaffolding, aerial work platform, mobile device
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Candidates need a G driver's licence with a clear abstract, comfort working at heights and in tight spaces, and strong teamwork and customer service skills. Drywall, roofing, insulation or construction experience is an asset.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Great Northern Insulation needs candidates who communicate well, pay close attention to detail, and are reliable and positive. Interest in residential construction or building science is valued, and flexible weekend and evening availability is required.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
2+ YOECandidates need knowledge of insulation products and the building envelope, with 2 to 5 years of territory sales experience. Construction industry experience, strong presentation and closing skills, and a motivated, persistent approach are required.
Sales, Forecasting, Lead generation, Administer appointments, Construction industry
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Candidates need a G driver's licence with a clear abstract, comfort working at heights and in tight spaces, and the ability to work in hot or cold conditions. Drywall, roofing or insulation experience is an asset, along with basic reading, writing, math and computer skills.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Candidates need a G driver's licence with a clear driver's abstract, comfort working at heights and in tight spaces, and basic reading, writing, math and computer skills. Drywall, roofing, insulation or construction experience is an asset.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Candidates need proven experience as a construction supervisor or in a similar role, plus a valid driver's licence with a clean abstract and a valid WAH certification. Strong leadership, communication, MS Office and building envelope knowledge are also required.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Candidates need excellent communication skills, attention to detail, reliability and a professional, positive attitude. Interest in residential construction or building science is an asset, and students are welcome.
Great Northern Insulation: Founded in 1980, Great Northern Insulation is Ontario's leading building envelope service provider, for the new construction and retrofit markets…
Carte de manœuvre spécialisé CCQ valide; Permis de conduire classe 5 ou 3 avec bon dossier; À l'aise en hauteur et dans les espaces confinés