Save 10% on Marvin Elevate Collection Windows and Doors!

Marvin makes windows and doors for you and how you build. At Koopman Lumber, we know that means more than exceptional products – it’s also quick lead times at a great value. Now through December 15th, we’re running 10% savings on the Marvin Elevate Collection.

In addition to lead times as low as 5 weeks, you’ll enjoy the highest quality fiberglass windows and doors at the best value of the year. Contact us now for a project estimate, and place your order by December 15 to take advantage of this rare Marvin Elevate Collection opportunity.

Take advantage today, fill out the form and get started on your next windows and doors project with Marvin! 



What began as a family company built on an old-fashioned code of honesty, hard work, and service to their neighbors is now one of the world’s premier window and door companies. For everything from new construction to remodeling and replacements, to commercial building and even historical restorations, Marvin never takes shortcuts, and we always adhere to the highest possible standards and the highest levels of service. We stand behind every one of our products, every step of the way.

We make it our priority to be a partner to our customers through every step of the process, and go above and beyond what is expected. That includes making sure our products continue to live up to our high standards every single day.

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