For decades, BCI Exteriors has been the exterior service contractor Mequon, Wisconsin trusts for high-quality, competitively-priced results. Our small, family-owned company combines unparalleled customer service with exceptional products for results you can be proud of. From the residences on Lac Du Cours to the Mequon Town Center, BCI specializes in services for homes and businesses alike. Take a look at the jobs we’ve completed in the Mequon area, and reach out to us to discuss your next project.

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When it comes to replacement, repair and new construction needs, BCI provides Mequon’s best roofing services. We carry the industry’s leading products and warranties, guaranteeing protection you can depend on for homes and businesses alike. Our staff of seasoned contractors work to meet your exact specifications, and customize each project to exceed your expectations — from materials to scheduling.

Learn more about our Roofing services or Contact Us today.


Every home needs quality siding, both as a protective barrier and to extend the home’s aesthetic longevity. BCI offers quality siding installation and repair services for all Mequon homes and businesses, improving energy efficiency while protecting your investment. Choose the color and material that’s right for you (like fiber cement, wood or vinyl), and enjoy beautiful, lasting results for any home and budget.

Learn more about our Siding services or Contact Us today.


Gutters are a key, yet often-overlooked, aspect of building infrastructure. Without a properly-fitted gutter system, the risk of flooding, structural damage and other water-related setbacks increases exponentially. BCI is Mequon’s best gutter service for a reason: We don’t just resell the same gutters over and over — we custom fabricate each and every gutter system in our sheet metal shop, ensuring quality, one-of-a-kind protection in a variety of styles and materials.

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When it comes to windows, you shouldn’t have to sacrifice aesthetics for function — especially in a city locally renowned for its architecture. BCI provides window replacement services that combine style and durability, allowing you to choose windows that look and work exactly how you want them to. Choose the perfect style for your home (like double-hung, casement and bay windows), and work with your BCI Product Specialist to decide whether fiberglass, wood or vinyl is right for you.

Learn more about our Window styles and installation or Contact Us today.


BCI Exteriors offers replacement doors for homes across the Mequon area. Whether you need a patio door, an entry door or something more unique, BCI has exactly what you need to combine reliable performance with lasting beauty. We offer a range of materials and styles to fit your home while being mindful of cost, resulting in an affordable solution that exceeds every expectation.

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New insulation can mitigate home energy and temperature inefficiencies, lowering your overall energy costs and keeping your home comfortable year-round. BCI provides thorough, custom solutions from attic-to-basement, including blown-in fiberglass and spray-foam insulation. A home walk-through allows us to identify areas for improvement, while a series of tests keep you informed throughout the process — making our Mequon insulation services the best available.

Learn more about our Insulation installation and home performance services or Contact Us today.