How to replace a Therma-Tru® Advanta™ Door Lite

Learn how to replace a Therma-Tru® Advanta™ Door Lite with this step-by-step guide. In this video, we walk through the process of removing an existing Advanta™ door lite and installing a new one. You’ll see how to safely remove the interior frame cover, detach the existing base frame, remove the old lite, prepare the new lite for installation, and secure the new frame using the provided hardware. Tools Needed (can be found at your local hardware store or online) : • Plastic Scraper (or Plastic Putty Knife) • Plastic Pry Tools (Plastic Auto Trim Removal Tools) • Glass Suction Cup • Glass Cleaner • Screw Gun Whether you’re a door professional, installer, dealer, or DIYer, this video provides a clear overview of the Advanta™ door lite replacement process.

Updated on October 12, 2026

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