Improving Northern Indiana and
South Chicago homes since 1954.
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gutter helmet
About Us
Trim-A-Seal is a reputable company with a half a century history of providing quality home remodeling, quality service, and outstanding materials and workmanship. To read about our history see below.
 gutter helmet
trim-a-seal 50 years

Trim-A-Seal - Over 50 years ago, my father, Larry Weiss (on the left) founded Trim-A-Seal. His philosophy was simple. Build Trim-A-Seal with a dedication to offering quality products and excellent service at fair prices. Today, Trim-A-Seal is still committed to the same tradition that has built our fine reputation as one of Northwest Indiana's most respected and successful family businesses.

We've been here over 50 years and we'll be here to serve your future!

Would you like to see some Letters of Recommendation?
99.5% of our customers have rated our work as excellent in customer satisfaction surveys. Read what some of our customers have to say.

Trim A Seal Home Improvement Showroom:
7886 Broadway
Merrillville, Indiana 46410
(219) 465-7684		 Corporate Office:
1500 Polk St.
Gary, Indiana 46407
(800) 217-6355

Trim-A-Seal of Indiana installs Gutter Helmet, windows, doors, vinyl siding and awnings throughout Northern Indiana and South Chicago including Lake County, Porter County, Will County
and Southern Cook County. Phone: 1-800-217-6355
Trimaseal of Indiana