Backed with Confidence

Warranty Information

MI Windows and Doors, LLC stands behind its products with a Limited Lifetime Customer Assurance Warranty. If you have a problem with your windows or doors, you can review your warranty below.

In order to make a warranty claim, you'll need the information from your identification labels on your windows. See the information on the Identification Labels page.

Current Warranties

New Construction Limited Lifetime Product Warranty (Eastern and Southern Regions) (pdf)

Effective January 1, 2022. Limited lifetime product warranty for new construction products manufactured in Hegins, PA, Gratz, PA, and Flower Mound, TX.

Download (300 KB)

Replacement Limited Lifetime Product Warranty (Eastern and Southern Regions) (pdf)

Effective January 1, 2022. Limited lifetime product warranty for replacement products manufactured in Hegins, PA, Gratz, PA, and Flower Mound, TX.

Download (300 KB)

Standard Limited Lifetime Product Warranty (Western Region) (pdf)

Effective July 1, 2019. Standard Limited lifetime product warranty for products manufactured in Prescott Valley, AZ.

Download (300 KB)

Enhanced Limited Lifetime Product Warranty (Western Region) (pdf)

Effective July 1, 2019. Enhanced limited lifetime product warranty for products manufactured in Prescott Valley, AZ.

Download (101 KB)

Glass Breakage Warranty (Eastern and Southern Regions) (pdf)

Effective August 26, 2019. Limited lifetime glass breakage warranty for 1600 and 1500 Series products manufactured out of Gratz, Pa., Hegins, Pa., and Flower Mound, TX.

Download (180 KB)

For previous warranties, please visit our Prior Warranties page.

Resources

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With the combination of our devoted team members and our quality, versatile products, MI is one of the leading manufacturers in the industry.