About Us

Your Trusted Choice for Commercial Roofing

John and Jonas Lengacher own and operate Lengacher Construction Company. As a family-owned business, we have the opportunity to personally hear our customers' needs and offer quality solutions that will last a lifetime.
About Lengacher Construction

We’re Committed to Roofing Excellence

Our commercial roofing business specializes in five different roofing systems, and we guarantee we have a system that fits your needs. Quality work and customer satisfaction are our top priorities. If your roof leaks, we guarantee we have a solution for you.

Successfull Projects

Discover the hallmark of success in commercial roofing and restoration with our completed projects in Indiana.


Projects Done
Why Choose Us

Your Trusted Roofing Experts

As one of the leading commercial roofing companies in Ft Wayne, IN and nearby areas, we are your source for high-quality commercial roofing systems. We service Indiana, Ohio, and Michigan. Our locally and family owned company works with superior products manufactured by top brands like Conklin and Duro-Last to ensure your roof stands the test of time. We've got over 20 years of industry experience and offer 20-year warranties for your peace of mind. Have an urgent repair issue? Same-day emergency service is available. Contact us today for a free quote on your next roofing project!

Over 20 Years of Experience
20-Year Warranties Available
Same-Day Emergency Service Available
Emergency Leak Patching Available
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Few Reasons Why You Choose Lengacher Construction

Jeff Laycock
Jeff Laycock
I own many buildings and the only ones that don’t leak are the ones Lengacher Brothers Roofing have done for me. 7 of them so far. Jeff
Kristen Lloyd
Kristen Lloyd
The Lengacher Brothers are great to work with!! They do quality work and always go above and beyond! I would highly recommend them for ALL of your commercial roofing projects!!
Grandview Lawn Care
Grandview Lawn Care
Awesome people
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