Trim-A-Seal of Indiana, Inc., Roofing Contractors, Gary, IN
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Roofing Replacement and Repairs Contractor in Northwest Indiana

Roofing Replacement & Repair Contractor

Trim-A-Seal is a residential roofing contractor specializing in roof replacement and roof repair. From flat roofs to pitched shingle roofs, we’ve got your home covered. We know that the most important investment you own is your home, which is why we pride ourselves on exceeding every expectation on replacing your roof. Trim-A-Seal only installs the highest quality material, plus offers a one of a kind Extended Lifetime Warranty that guarantees our work for the lifetime of your roof.

Our trained, licensed and insured installers will work carefully with you to replace your existing roof or identify areas that need repair. We don’t simply just replace your shingles… we look at every detailed layer of your roof to ensure that your home stays completely dry, weatherproof, and looking magnificent.

Our Roofing Services Include:

  • Shingle roofing
  • Single Ply Rubber Roofing
  • Weatherizing
  • Relining
  • Roll Roofing
  • Gutters/Downspouts/Gutter Helmet

Trim A Seal is an A-rated Better Business Bureau roofing contractor and VSI Certified Installer. Our award winning roofing company is an Owens Corning Preferred Contractor and “5-Star” CertainTeed Certified Installer. All of our installers are master craftsman, trained on the latest installation techniques and sustainable building practices.

Let our experienced team of professionals go to work for you. Trim-A-Seal has been serving the Northern Indiana and South Chicago area with high quality roofing services for over 50 years. Call today for a free estimate.

Roofing Photo Gallery

At Trim-A-Seal we are one of the leading roofing companies in Northwest Indiana. We offer a variety of roofing services to keep your home, safe, dry, and looking fantastic. Take a look at our roofing photo gallery to view our products and to see some of the incredible transformations that we have created.


Roofing Types

Trim-A-Seal carries the finest names in architectural roof shingles as well as 3 Tab Shingles. Different types of roofing solutions offer different looks and life spans. Learn the differences and the benefits of each type of shingle to help you make an informed decision about your roof!


  • Americana Building Products
  • CertainTeed
  • Home Guard Doors & Windows
  • Innovations for Living by Owens Corning
  • Gutter Helmet
  • Sunrise Windows
  • SunSetter Retractablw Awnings
  • Albany Doors