Sign-up below and benefit from comprehensive online best-in-class Therma-Tru door system installation training

Join us for one of the following LIVE Therma-Tru Certified Door System Installer Training Webinars as part of the 2023 Virtual Experience. Participants who complete the training and pass a certification test will earn their certified installer status.

Build your knowledge, skills and confidence with comprehensive best-in-class door system installation training from Therma-Tru – the expert in fiberglass door systems – and OSI® – the expert in completely sealing the door opening.

Choose any of the dates listed below:

    • February 21, 2023 at 1:00 – 3:30 pm EST
    • March 14, 2023 at 1:00 – 3:30 pm EST
    • April 11, 2023 at 1:00 – 3:30 pm EST

To attend, you must pre-register for your preferred webinar date 24 hours prior to the event.

Why get Certified?

Step-by-Step Videos with Expert Guidance

    • The tools needed for a successful install.
    • Removal of an existing door and preparing the opening.
    • Installing a new door and sealing the opening.
    • Adjusting the new door system for smooth operation.
    • Finishing touches to complete the installation.

Job Aids for Quick On-Site Reference
Gain easy access to instructions that can be printed or viewed digitally.

Certified Door System Installer Status
Give your customers confidence in your ability to correctly install their Therma-Tru door system for years of energy efficiency and weather resistance.

Chance to win!

All participants who attend a full training session and pass their certification will be entered for a chance to win a $250 gift card to Therma-Tru’s Certified Installer Store to spend on installer-branded merchandise.

One winner will be selected from each session and notified via email.

Promote your business.

Complete training and pass certification test to earn free tools to promote your business.


    • Certificate (Printed or Digital PDF).
    • Placement on Therma-Tru’s Certified Installer Locator.*
    • Customizable Certified Installer Local Landing page.
    • Exclusive Merchandise.

To learn more about the Certified Installer Program, visit

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