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Strasser & Lang has been committed to providing our best work for over 60 years. Our rich history in Northwestern Ontario has allowed to tackle a diverse range of projects, from home roof repairs, to large commercial roofing systems and beyond.

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Residential | Commercial | Institutional ROOFING We are Northwestern Ontario's longest serving roofing contractor. Learn More Our Work Free Estimate Residential | Commercial | Institutional WINDOWS Quality windows paired with proper installation reduce heating and cooling costs. Learn More Our Work Free Estimate Residential | Commercial | Institutional DOORS We combine our expertise with the finest, high quality doors in the industry. Learn More Our Work Free Estimate

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    RoofingWindowsDoorsEavestrough, Soffit and FasciaSiding

    PROFILE

    The Measure of Quality

    Strasser & Lang has proudly served customers in Northwestern Ontario since 1959. We provide the highest quality service and workmanship at a fair market price. The measure of our quality is proven by our experience and strong reputation. 

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    See Our Work
    Free Estimate
    900+

    Completed Projects & More Satisfied Customers in 2023

    45k+

    Bundles of Shingles Installed Across the Region in 2023

    60+

    Years of Proud History, Quality Workmanship & Safety

    Our Services

    We’ve Got You Covered.

    Service-Roofing-01

    ROOFING

    We are Northwestern Ontario's longest serving roofing contractor. We are local leaders and our work is proven to boost curb appeal, increase resale value, and protect homes and businesses across the region. Call the professionals.

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    Service-Windows-01

    WINDOWS & DOORS

    Strasser & Lang works with the best manufacturers to offer an impressive selection of windows and doors for any design or functional preference. Let us help you to improve the style and efficiency of your building exterior.

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    Service-Eavestrough-01

    SOFFIT FASCIA EAVESTROUGH

    Our team is highly skilled in assessing the eavestrough needs of commercial and residential properties. Contact us to find out if your exterior systems need to be replaced.

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    Service-Siding-01

    SIDING

    From shingles to plank, we offer the most popular siding options on the market. Our top quality materials are durable, weather resistant and stylish to transform the aesthetics of your property’s façade. Talk to us about options.

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    Reviews

    Read what our customers have to say

    Couldn't be Happier

    We had the roof of our home reshingled by Strasser and Lang and were so pleased that when the time came to side our cottage they were the obvious choice. Excellent communication ensured that the jobs were done to exactly as we hoped. So glad we went with them couldn’t be happier!!

    Review-02

    Kerry Stevens

    Thunder Bay

    Excellent results!

    Excellent results! Totally professional from beginning to end. The work crew was a fine, well-mannered, hard working team. Fairly priced, full use of safety harnesses, tarps, etc. great workmanship! I recommend Starsser and Lang to everyone!

    Review-06

    Jeffrey W Landry

    Thunder Bay

    Fantastic Work

    Amazing service. I needed my roof done with very little notice because of some severe leaking and S & L was there within a week. Roof looks fantastic and the job site was left exactly as they found it. Highly recommended!

    Review-03

    Pete Tofinetti

    Thunder Bay

    Professional Service

    Strasser and Lang are effecient, prompt, professional and quick to rectify any concerns. It is an extremely well run business which I would highly recommend.

    Review-04

    Cathy Wiznuk

    Thunder Bay

    Highly Recommended

    They were super easy to deal with! The receptionist is great 🙂 and the crew who did the work were awesome. Highly recommended.

    Review-01

    Shanna Romanson

    Thunder Bay

    5 out of 5

    These guys are my fave, use them all the time. 5 outta 5 would recommend 🥰

    Review-05

    Leslie Hebert

    Thunder Bay
    Our partners

    We supply & install quality products by the following industry leaders.