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Affiliations

Lowe's

Great Northern Insulation is Lowe's trusted installer for all things insulation.

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ACMO/CCI-T Condominium Conference

Great Northern Insulation is a premier sponsor of the 2017 ACMO/CCI-T Condominium Conference in Toronto, Ontario.

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NFCA

Great Northern Insulation is a registered member of the National Fireproofing Contractors Association.

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WCA

Great Northern Insulation is a registered member of the Windsor Construction Association.

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TCA

Great Northern Insulation is a proud member of the Toronto Construction Association.

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HRAI

Great Northern Insulation is a proud member of the Heating, Refrigeration and Air Conditioning Institute of Canada.

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OHBA

Great Northern Insulation is a registered member of the Ontario Home Builders' Association.

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CHBA

Great Northern Insulation is a registered member of the Canadian Home Builders' Association.

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WEHBA

Great Northern Insulation is a proud member of the Windsor Essex Home Builders' Association.

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HNHBA

Great Northern Insulation is a member of the Haldimand Norfolk Home Builders' Association.

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PKHBA

Great Northern Insulation is a member of the Peterborough & The Kawarthas Home Builders' Association.

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P4E

Great Northern Insulation is a pround attendee of the 2017 Partners 4 Employment Career Fair in Waterloo.

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TFHS

Great Northern Insulation is a yearly exhibitor in the Toronto Fall Home Show.

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Energy X Solutions

Great Northern Insulation partners with Energy X Solutions to provide customers with the most effective home auditing technology available.

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Union Gas

Great Northern Insulation works with licensed service organization Barrier Sciences Group to help customers qualify for home renovation rebate programs through Union Gas.

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London Property Management Association

Great Northern Insulation is a proud member of the London Property Management Association.

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Morrison Hershfield

Great Northern Insulation is proud to be affiliated with Morrison Hershfield.

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FinanceIt

Great Northern Insulation partners with FinanceIt to provide easy financing options for our customers.

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Ontario Non-Profit Housing Association

Great Northern Insulation is a proud partner of the Ontario Non-Profit Housing Association.

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BILD

Great Northern Insulation is a proud member of The Building Industry and Land Development Association.

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RenoMarkâ„¢

Great Northern Insulation proudly abides by a renovation-specific Code of Conduct set by RenoMark™.

Elastochem Specialty Chemicals

Great Northern Insulation proudly uses Elastochem Specialty Chemicals products.

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AD Fire Protection Systems

Great Northern Insulation proudly uses AD Fire Protection systems products.

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BASF

Great Northern Insulation proudly uses BASF products.

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Owens Corning

Great Northern Insulation proudly uses Owens Corning products.

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Knauf

Great Northern Insulation proudly uses Knauf products.

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CertainTeed

Great Northern Insulation proudly uses CertainTeed products.

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3M

Great Northern Insulation proudly uses 3M products.

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Magnetite Canada

Great Northern Insulation proudly uses Magnetite Canada products.

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Better Business Bureau

We are happy to be an accredited business with the Better Business Bureau.

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Ontario Energy Association

Great Northern Insulation is a proud member of the Ontario Energy Association.

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Western Ontario

935 Keyes Drive
Woodstock, Ontario
Canada N4V 1C3

Phone: 1-800-265-1914

Fax: (519) 539-7946
TOLL FREE: 1-800-265-1914

Muskoka, Haliburton, Northern Ontario

1027 Elwell Park Road
Gravenhurst, Ontario
Canada P1P 1R1

TOLL FREE: 1-800-265-1914

Central Ontario

29 Ferndale Industrial Drive
Barrie, Ontario
Canada L4N 9V5

TOLL FREE: 1-800-265-1914

Greater Toronto Area

2 Guided Court
Etobicoke, ON
M9V 4K6

TOLL FREE: 1-800-265-1914

GTA East

103 North Port Road
Port Perry, Ontario
Canada L9L 1B2

TOLL FREE: 1-800-265-1914

South Central Ontario

450 Industrial Dr,
Toronto (Milton), Ontario
Canada L9T 5A6

TOLL FREE: 1-800-265-1914

Eastern Ontario

1035 Moodie Dr #1,
Nepean, ON
K2R 1H4

TOLL FREE: 1-800-265-1914

Niagara Region

25 Lincoln Ave
St. Catharines, ON
L2P 2C7

TOLL FREE: 1-800-265-1914

BBB

Great Northern Insulation - Better Business Bureau Profile.

Homestars Best of 2021 Award

Best of 2021

HomeStars has ranked Great Northern Insulation as a company that goes above and beyond in every aspect of business for the year of 2021.

Homestars Best of 2022 Award

Best of 2022

HomeStars has ranked Great Northern Insulation as a company that goes above and beyond in every aspect of business for the year of 2022.

Lowes

GNI is the Authorized & Trusted Insulation and Air Sealing Installer for Lowe’s

Trusted for Over 40 Years

Over 40 Years in Business

At GNI, we service your project with the most experienced staff in the industry. Ongoing professional development is an obsession at GNI and we will not compromise at any level to bring to our customers the very best Installers, Sales Representatives, Customer Care Personnel, Field Superintendents, Estimating and Technical Support to your project.

100% Canadian

100% Canadian

Great Northern Insulation is recognized as Canada's largest full-service insulation contractor. GNI is 100% Canadian owned, proudly serving Ontario customers since 1980.

Foam Masters

Do it right the first time
- with foam mastersTM

January, 2021 regulatory phaseout of hydrofluorocarbons (HFCs) with the introduction of WALLTITE CM01. Using hydrofluorolefins (HFOs) with lower global warming potential (GWP) compared to HFCs, WALLTITE CM01 is the next generation of spray foam insulation.

HEATLOK® SOYA HFO™ 

Huntsman HEATLOK® SOYA HFO™ 

Heatlok® Soya HFOTM leverages Honeywell’s latest Solstice® Liquid Blowing Agent technology. This new hydrofluoroolefin (HFO) blowing agent is the most environmentally conscious blowing agent produced to date, with a zero ozone depletion potential (ODP) and a global warming potential (GWP) of 1, which is more than two orders of magnitude (99.9%) lower than HFCs used in this industry.

3M

3MTM products.
Quality + Performance = Savings

3MTM energy-saving products are designed to keep warm air in, and cold air out, while keeping energy bills down. Products optimize energy efficiency in buildings and homes; improve indoor environment for occupants; and effect the reduction of seasonal energy costs. 3M products are authorized for LEED credits (Leadership in Energy/Environmental Design).

Holmes and Holmes

Holmes and Holmes

 

Mike Holmes and his son Mike Jr. (MJ) convert MJ’s bachelor bungalow into a two-storey home for MJ and his girlfriend Lisa. Choosing the newest materials and build techniques, the father and son team follow Mike’s famous motto – “Make it right.” The show can be watched on HGTV and DIY Network.

Enbridge

Enbridge Incentives

The Home Efficiency Rebate Plus program offers up to $10,000 in home reno rebates – and Great Northern Insulation can pave the way.

Renomark

Great Northern Insulation proudly abides by a renovation-specific Code of Conduct set by RenoMark™.

eRenovate

We are Verified & Bonded by eRenovate. When you choose to proceed with our services through their platform, you receive the gaurantees set forth through their program.

As Seen on Love It or List It

The GNI crew have been featured installing insulation on Love It or List It - have you seen our logo in an episode?

Climatizer Cellulose

Climatizer

CLIMATIZER PLUS cellulose insulation is manufactured from a minimum of 85% locally-sourced post-consumer recycled newsprint. Non-toxic additives are applied to the uniquely fiberized paper generating a building material with superior thermal and acoustic properties, as well as exceptional resistance to fire, moisture, mould and pests.

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