Learn More about Exterior Finishing in Thunder Bay, ON

Exterior Finishing has provided Thunder Bay with quality interior and exterior renovations since 1977. We’re proud of our outstanding customer service, and we believe that our proven track record makes us Thunder Bay’s best choice for all of your renovation or new construction projects.

We love what we do, and it shows!

Locally Owned

Exterior Finishing is locally owned and dedicated to offering great products and service at a fair price. We specialize in the installation of siding, soffit, fascia, eavestrough, windows and doors. Our renovation division specializes in decks, sunrooms, additions and interior renovations.


We have been active members in the Thunder Bay Chamber of Commerce since 1996, giving you, our customer, the peace of mind of knowing that you are dealing with a reputable, customer service focused company.

Get a Free Estimate

Give us a call for a free estimate or email us using the e-form on this page. Our showroom is located at 882 Tungsten Street in Thunder Bay.


If you’d like to contact us, please give us a call or fill out our handy eform to email us. We promise to get back with you right away.


Contact Information


882 Tungsten St

Thunder Bay, ON, P7B 6J3


Main 807‑623‑1135

Fax 807-626-8123

Methods of Payment





Business Hours

Exterior Finishing

Satisfaction... Guaranteed.

If you find a problem, we’ll correct it at no cost to you.

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We proudly serve Thunder Bay, Ontario and surrounding areas.