Don't let just anyone service your home's exterior!


You can trust Alco Exteriors for professionally-installed roofing, siding and window.  Serving Northwest Indiana, including Porter County, Lake County and Laporte County



Standard Roofing

Alco Exteriors is not "just" a roofing company. Alco will give you a full analysis of your entire roofing system, which includes your attic ventilation function and the current R value of your home's insulation.

Metal Roofing

Alco Exteriors brings the beauty, durability and sustainability of fine metal roofing to your home. Professional recommendations, estimates and installation ensure that you’ll have the right metal roof.



Alco Exteriors specializes in residential siding replacement. We have the experience to fully understand which siding products will perform in a superior manner on each area of your home, which means our siding jobs look great, last longer, and save you lots of time and money.

Exterior Painting

Alco Exteriors is an experienced exterior painting contractor who can improve the look of your home and provide a quality paint job every time. With fast and efficient service that is clean and reliable you can trust Alco Exteriors with painting your home's exterior.


Window replacement is one of the easiest home improvement projects you can invest in that provides a great return. Alco Exteriors offers most major brands of windows to fit your needs.

Low Interest Financing Available

Alco is proud to offer several financing packages
18 Months No Interest No Payments.
 Long term packages up to 144 months!

Our Guarantee