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Keep leaves out with our patented leaf free GUTTER SYSTEM, Leaf Terminator.

Dramatically improve the appearance and value of your home with NEW SIDING.

Let us help you make the best choice for your

Added INSULATION can lower the cost of heating and cooling. Let us help you save money!

Protect your home with one of our high quality roofings products.

We offer a variety of doors to secure and embellish your home.

Enriching Your Home’s Exterior

Since 1988, SunCor Construction of Illinois has maintained family tradition by offering only the highest-quality residential construction services and American-made products. We offer exclusive exterior construction and home improvement services including windows, doors, siding, insulation, leaf protection and vinyl fencing. We strive to deliver beautiful results that make a lasting impression. Your investment  is in the hands of a credible construction company that wants nothing more than to help reinvigorate your home’s appearance.

The SunCor Experience

At SunCor Construction, we value our customers, so your comfort and happiness is our top priority!  That’s why we hope to make your experience with SunCor positive and rewarding.  We want your home improvement project to be a success. Our expert construction company is courteous and trustworthy. They are precise and meticulous in execution, ensuring a superior final product at a competitive price. Our mission is that every customer has an unforgettable SunCor experience–from start to finish.

Thank you for remembering to email the referrals, and also your professional presentation. You explained many details about your product and the job requirements which I appreciated; also you provided a copy of your insurance as well. I can see why the BBB gave you its highest rating.

Talk to you soon.

Jim Armbruster

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Call Center Agent SunCor

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Awards and Certification

Accredited by the BBB
Angie's List
Trained through Vinyl Siding Institute

SunCor Windows Chicago

Windows & Doors

We sell and install high quality windows for residences in Lemont, Illinois and offer an exclusive catalogue of windows such as Alside, one of the nation’s leading window suppliers. SunCor helps you select and install new doors with modern designs. Choose from an array of styles to find the perfect one for your home.
Leaf Guard Gutters SunCor Chicago


We take into consideration harsh weather elements and aesthetic design before choosing the proper style and product. Our mission is to not only enhance your home, but protect it!
SunCor Siding and Insulation Chicago


Add value and beauty to your home’s exterior by adding an affordable siding to your house. Trust in SunCor to provide a variety of sidings that will compliment your home.

Leaf Protection

Allowing leaves to pile up on your roof or clog your gutters will cause long term water damage. Installing our Leaf guard gutter system will save you time and money.
SunCor Siding and Insulation Chicago


SunCor’s insulation contractors are well trained and knowledgeable when it comes to protecting your home from the inside, out. We use the best insulation to keep your home comfortable year long.
Suncor Fence

Vinyl Fencing

Add a charming and private finish to your home’s exterior with vinyl fencing. Vinyl fencing is available in an array of colors, which can accent any outdoor landscape.