Your Go-To Home Improvement Company for 75 Years
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Proudly Serving Northwest Indiana, Chicagoland & Western Michigan Communities
75 Years of Dependable Service

Look forward to a different kind of home improvement journey at Trim-A-Seal Home Improvements. With 75 years of trust and experience built behind our name, we provide and install a wide range of home solutions for residents in Northwest Indiana, Chicagoland, and Western Michigan communities. Customer service is our top priority, with a dedicated team focused on communication, organization, and prompt assistance. We offer a wide range of high-quality products, each backed by robust warranties from our trusted partners along with our own Trim-A-Seal Lifetime Workmanship Warranty. Choose Trim-A-Seal for a stress-free home improvement experience you can trust from start to finish.

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Top-Tier Products & White-Glove Treatment
Find Your Perfect Upgrade
Windows
Doors
Siding
Concrete Coatings
Gutters & Gutter Protection
Shade Solutions
Windows
Expertly Crafted in the USA

We offer a wide variety of replacement windows from top-name, American brands to ensure high-quality manufacturing and energy efficiency standards are achieved.

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Doors
Custom Entry, Storm, & Security Doors

We offer a wide selection of entry, storm, security, & patio doors customized to suit your needs and style.

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Siding
Durable Designs with Curb Appeal

Available in an exceptional range of traditional and contemporary styles, our siding can be custom finished to enhance your home and meet your aesthetic preferences.

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Concrete Coatings
A High-Performance Flooring Alternative

Concrete coatings are a wonderful, low-maintenance flooring alternative for indoor or outdoor spaces that need a high-performance and extremely durable surface area.

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Gutters
Long-Lasting Drainage Systems

We offer and professionally install premium gutter and gutter protection systems, ensuring proper water flow and drainage.

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Shade Solutions
Custom Designs for Any Home

Offering the perfect amount of shade without taking away from the outdoor views, our awnings and screens can be customized to protect and beautify your home.

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Why Choose Trim-A-Seal Home Improvements?

When it comes to home improvements, Trim-A-Seal is a name you can trust. Here’s what sets us apart:

Trim-A-Seal Home Improvements Logo

75 Years of experience and trust behind our name, our team brings unparalleled expertise to every project… and we have the warranties to back it up. We know our trade and have built an experience that our customers can rely on. That means dependable service throughout the ENTIRE home improvement process—from consultation to installation and beyond.

Professional Installation We believe in the quality of our craftsmanship. That’s why we provide the Trim-A-Seal Lifetime Workmanship Warranty on all of our installations. This warranty reflects our commitment to excellence ensuring you have your home improvement projects completed with confidence and peace of mind.

Customer Service is our top priority. Our dedicated service department is committed to providing a different kind of home improvement experience. With a heavy focus on communication, organization, teamwork, & technology, we ensure that every customer’s needs are met promptly and professionally. Whether you have questions about our products, installations, or require follow-up service, our knowledgeable and friendly team is always ready to help.

Quality Products We’ve carefully selected a broad range of high-quality products to meet the diverse needs of our customers. Our extensive product lines carry robust warranties honored by our trusted partners & manufacturers. We stand by the reliability and durability of our offerings. With Trim-A-Seal, you can have confidence in the superior quality and lasting value of every product we install.

Be sure to check out our reviews to see how many happy customers we serve!


Contact Us Today!

Ready to transform your home? Contact Trim-A-Seal Home Improvements today to learn more about our innovative products and schedule your installation!

Our History:

For 75 years, Trim-A-Seal has been the trusted home improvement company of choice among homeowners in Northwest Indiana, Chicagoland, and Western Michigan communities. We have spent the decades perfecting our exemplary services – a testament that has been backed by our many accolades. Today, as a third-generation, family-owned and -operated company, we continue to fulfill our mission and take great pride in providing our customers with outstanding products and services at an affordable price point. It is this dedication to excellence that has helped us earn a reputation as one of Northwest Indiana’s most respected and successful home improvement companies.

As a one-stop shop for exterior home improvements, we offer a wide variety of premium products, all of which are crafted by trusted manufacturers. And, as we value customer satisfaction above all else, we take the time to make sure that you receive the most appropriate upgrade for your needs by walking you through all the available options. Making sure we do right by our customers is the foundation of our business and the reason so many homeowners turn to us time and again for their home improvements.

“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”

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Recognized for Integrity & Unmatched Customer Care

Family Owned & Operated Since 1950

The Best Products from the Best Manufacturers

Flawless Installation by Accomplished Specialists

Excellent Workmanship Backed by Guarantees

Charitable Community Involvement

Family Owned & Operated Since 1950
Established Reputation

Our company was founded with an unyielding mission to provide our customers with superior service and premium home improvement products. Seventy years and three generations later, we have continued to achieve this goal and maintain the values our company was founded on.

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The Best Products from the Best Manufacturers
Superior Craftsmanship

To ensure the high-quality performance of your new products, we do extensive testing and research to determine whether a product is worthy of being offered to our customers. We are always on the lookout for the latest innovations in the home improvement world and are proud to carry some of the best brands in the industry. To guarantee our customers are getting the best possible home improvement products, we carry nothing that we haven’t tested on our own homes.

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Flawless Installation by Accomplished Specialists
Superior Craftsmanship

Our installation experts have been thoroughly trained, vetted, and licensed. All of our work carries a minimum of a five-year workmanship warranty, along with manufacturer-specific warranties. We are dedicated to honoring our warranties and promptly servicing our current and past customers. The Trim-A-Seal experience is built to give our customers a comfortable, professional, and organized remodeling process.

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Excellent Workmanship Backed by Guarantees
Comprehensive Warranties

For added peace of mind, we provide workmanship and manufacturer warranties on everything we carry with our full white-glove treatment. During the consultation process, our representatives will lay out exactly what you can expect when needing service or warranty work, an area that the industry traditionally struggles with. Our Trim-A-Seal pledge is to be transparent and thorough to ensure that our customers can be confident in our process before, during, and after an installation.

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Charitable Community Involvement
We Sponsor Service Dogs

Trim-A-Seal is proud to support the Indiana Canine Assistant Network (ICAN), a nonprofit that trains and places service dogs with people with developmental or physical disabilities.

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“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!!!!”

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Corporate Office
1500 Polk Street
Gary, IN 46407
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