Modern Windows is proud of their products and offers an above industry standard warranty. The benefits of Modern Windows’ warranty are also transferable to a subsequent owner.

To be eligible, customers must register their window and/or door purchases using the online form or by mail using the PDF form within 30 days from the date of installation.

For full warranty details, please visit us or refer to the Warranty brochure.

For Fallsview & Timberview Series


For Lakeview Series

Limited Lifetime Warranty Brochure

To Make a Claim

Notify Modern Windows in writing within 30 days of the defect appearing. Include the following information:

  • Name and address of owner
  • Date of Installation
  • Brief description of the defect
  • Order number
  • Invoice number
  • Include pictures if possible

If coverage is pro-rated, the homeowner will be informed of their share of the cost. No parts will be provided until the owner’s payment has been received.

This Warranty form must include the order and/or invoice number received at the time of purchase.

To Transfer

To transfer your warranty you may download the PDF or e-mail  warranty@delwd.ca.