Our most popular, hands down
It’s no surprise millions of homeowners have chosen 400 Series windows. Built on decades of engineering and design, these products simply work, every… single… day.
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Contractor's choice
Andersen® 400 Series are the most recommended clad wood windows by contractors (according to a 2022 Andersen brand survey of U.S. contractors).
What's it made of?
Wood with a vinyl exterior to resist water and seal out the elements.
