Spring and summer are peak exterior remodeling seasons in Minnesota, with the kickoff to construction season beginning in May. With so many projects and a busy schedule, pro contractors need to have a source of material they can rely on. Glenbrook Building Supply, Inc has all your roofing and siding needs, along with other exterior products, including windows, doors, and decking.

Roofing and Siding

Not only do we provide high-quality roofing and siding materials, we also provide job-site and roof-top delivery! Our goal is to make your project as quick and easy as possible so you can stay on schedule. We carry roofing and siding supplies from CertainTeed, Rollex, Owens Corning, James Hardie Siding Products, and Gaf/Elk. Whatever type of roofing or siding material you need, we’ve got you covered.

Windows and Doors

The importance of a front door shouldn’t be overlooked, as its often one of the first details someone notices about a house. The same can be said about windows—doors and windows are integral to the home’s aesthetic, so you need the best products for your clients. We carry a variety of doors, whether its wood, fiberglass, or steel. For window brands, we carry Marvin and Andersen Windows & Doors. Both companies carry beautiful windows that don’t compromise quality, which will certainly please your clients.


We’re your one-stop-shop for all decking needs! Composite, wood, and aluminum decking materials, metal railings, LED deck lighting, posts—we’ve got it all. We have a huge selection of side-by-side deck boards on display so you can compare and find the best product for your project. Curved deck railing is a newer trend that has opened up design possibilities and created a more modern option for decks. Our staff can help you choose the best materials for your project that take trends and quality into account. We offer a variety of decking and railing brands and have Moistureshield Elevate decking and Westbury Railing in stock and ready for delivery!

We pride ourselves on supplying general contractors and building professionals with the best-quality building materials around. Stop by our lumber yard and showroom for supplies for your next project! Glenbrook Building Supply, Inc has been serving the Twin Cities area since 1988.