Thunder Bay Insulations has been around since 1978 and has been serving both the commercial and the resisential market. We operate from Thunder Bay, Ontario, but have done projects throughout Northwestern Ontario. We take on big and small projects, so feel free to contact us for an estimate.


We are a participating Contractor for the Green Ontario Fund, an Ontario-wide rebate program that can provide some very interesting savings on insulation for your home. Fill in this form as a first step in the process. We will contact you within a few business days to discuss your options.

Mechanical Insulation

Mechanical Insulation is mostly done around pipes and boilers in or outside big buildings for commercial clients. Often this type of insulation is used to prevent heat loss or to act as a sound barrier.
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Spray Foam

This type of insulation is applied to new and existing homes and is the most effective type of insulation that seals off any cracks there might be.
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Blown-in Insulation

This type of insulations is ideal for attics, in new homes and in existing homes. Is the attic closed off? No problem! We use a gable end air vent to blow the insulation in. A safe solution that will help lower the heat loss in your home.
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Blown-in Insulation

Contact Us

Phone: (807) 344-5667 or (807) 683-3626
Fax: (807) 345-2034
Or drop by on Oliver Road