Siding, Windows, and Roofing in Portland, Maine

Cardinal Exteriors is a residential and commercial siding, roofing, and window company in Portland Maine, serving Greater Portland and the surrounding towns. Senior partners Michael McCullum and Robert Milliken are longtime residents of Portland and active community members who value the opportunity to deliver quality products, professional installation, and an enjoyable home improvement experience to their friends, neighbors, and every other customer. Our top-notch installers work together to ensure every client is thrilled with the improvements we make to their home, and our friendly crew takes work seriously, united by individual passions for quality craftsmanship and the standards that make us a team. Read on to learn more about the products we install, and to view some of our latest projects.

Our design technology lets customers see how their home will look finished prior to making any decisions. The same program allows us to order products efficiently, eliminating waste and keeping costs down.