The Company to Partner with for Replacement Windows in South Bend, IN

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Finding a reputable company to install replacement windows in your home may seem like an impossible task. After all, there is a seemingly endless number of fly-by-night contractors out there just waiting to make a quick buck. Thankfully for homeowners in the South Bend, Indiana, area, however, there’s Trim-A-Seal. We are a professional window company that is dedicated to making the replacement process as easy and stress free as possible for our customers, and we’re proud to be a trusted source for exceptional home improvement services among local homeowners.

What Makes Us the Best Choice?

Here at Trim-A-Seal, we stand head and shoulders above the competition by offering:

Decades of Experience

While many window companies are here today and gone tomorrow, we’ve been in business since 1950. Not only does this mean we have the experience needed to provide a flawless window installation, it also allows you to rest easy knowing that we’ll be here to help should a problem arise with your replacement windows a few years down the line.

American-Made Replacement Windows

The replacement windows that we install in a variety of styles and materials are expertly manufactured right here in the USA, ensuring they meet the highest standards for performance and energy efficiency.

Ironclad Warranties

We stand behind the replacement windows that we install and are proud to back them with a lifetime, non-prorated transferable product warranty and a five-year labor warranty for the ultimate peace of mind.

Schedule a Free Consultation

To learn more about our replacement windows and installation services, contact Trim-A-Seal today and schedule a free, no-obligation consultation and estimate. We’re proud to serve homeowners in South Bend, IN, and the surrounding communities.

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Featured Customer Review

Just finished our exterior project. New siding, windows, gutters, soffit, and front door. it's literally like having a brand new house! We love the finished product and love the professionalism from everyone involved. You've gained lifelong customers

Dan C.

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Transform Your Residence into the Dream Home You’ve Always Wanted

Trim-A-Seal is a reliable partner you can trust to treat you and your home with respect. Our unparalleled experience in the home improvement industry has made us the leading source for homeowners in need of affordable, durable, and beautiful upgrades.

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Outstanding Reviews

The installers that came to the house were very personable and cleaned everything up, installation was quick and we are enjoying our sunsetter so much. Thanks for the great service. We are telling everyone about Trim-A-Seal!!!!

Merry E.

The technician was very professional and completed the work in a timely manner. The craftsmen was excellent and we would recommend your organization to our friends.

Ernestine J.

I am completely satisfied with Trim-A-Seal installers. They did a great job installing my SunSetter motorized awning. They explained and showed me how it worked and answered all of my questions. I definitely would recommend them.

Florence B.

Dan C.

We are thrilled & more than satisfied with how our garage floor turned out. Pat was our salesman and presented the product and installation process professionally and without pressure. Tom and Jerome were our installation team and were professional, conscientious, thorough and were very hard working. Based on our experience we would not hesitate to recommend Trim-A-Seal.

Eileen Roe

Mike was our salesman and he was great to work with , no hard sell , no bad mouthing his competitors, unlike the other company that came out. The installers were extremely friendly , explained everything they were doing and cleaned up after they were done. Highly recommend.

Shelley Black

We love our Sunsetter awning! From the time we met with the friendly and helpful salesperson from Trim-A-Seal to the efficient and talented installation crew everyone was courteous and professional. We face west with the sun reflecting off the lake so an awning was a must. We are very happy with our choice of product as well as Trim-A-Seal.

Paula Belcher

We give Adam and Richard a A+, great job enjoyed them being here on time ,friendly , explied well, couldn't ask for more!

Ann Y.

We struggled to find a gutter guard capable to protect our new home surrounded by trees. Gutter Helmet is the CLEAR right choice. Trim A Seal handled the installation professionally and on time. We got what we were promised!!

Art C.

Our Installers, Holland and Darrell, both did an exceptional job of installing our new awning. They explained the operation of the unit thoroughly. Top notch team!

Burt M.

I had maintenance done on my gutters and I was pleased with the work. Would use this company again.

Darlene L.

This morning trimASeal came out to start on my siding, met with Adam and Richard, we did the walk around, Adam explained everything so I understood it, and he is very easy to talk with and very knowledgeable, will post after the job is done to.

Edward C.

Florence B.

Bruce was very personable and professional. He educated me on the product options, enhancements and construction quality of Trim-A-Seal door products. Bruce will insure you get quality and satisfaction with exactly what you want to purchase. Thanks, I will return when it's time to get my windows.

Sandra C.

They took care of some unexpected problems for my grandfather and did what they could to make things work. Adam and Richard did a wonderful job.

Stephanie C.