SUPPORT

Here to support you

How can we help you? Whether it's questions about how to care for your MI windows and patio doors, information about your warranty, or something else, we have resources to assist you. 

Resources

Register Warranty

Registering your warranty simplifies your service experience, should you ever require it.

WINDOW & DOOR CARE

Information about how to keep your windows and patio doors performing their best.

FIND A WARRANTY

Need a copy of your existing warranty? You can easily search by year and location.

Additional Help

MI offers professional service assistance and other resources when you need help with your windows and patio doors. 

Need more assistance?

VIEW FREQUENTLY ASKED QUESTIONS