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No Finger Pointing Warranty

You should never be stuck calling the manufacturer, installer, or subcontractor trying to figure out who is responsible. Duncan's sells, installs, warranties, and services your windows and doors. The only finger you need to point is at us, and we will help take care of you from start to finish.

Our Service Promise

✓One local company to call

✓Clear communication throughout the process

✓In-house service and installation support

✓Help from people who know your project

Warranty & Service Request

How Can We Help?

Do you have a service or warranty claim? Complete the form below and include photos whenever possible so our team can review the issue before contacting you.

Hours

Monday - Friday from  7:00am - 7:00pm 

Phone

920-267-3440

Email

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