Window Optics

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The IGDB

The International Glazing Database

IGDB Version 29.0 Now Available

 Optical data for over 4100 glazing products

For Providers of Data

About the IGDB - FAQs - New providers start here to get background

How to provide data to the IGDB - Get the details of the process here

Examples of file format - Quick start for experienced providers

Additional NFRC requirements - If your goal is NFRC rating get supplementary forms here. Note:Some information here on how to provide data is not current




 For Users of Data

Download IGDB - Update or Full Package - Window or Optics

Knowledge Base - Troubleshooting

Release notes for all updates

Updating the Window5 or Window6 Glass Library

Acknowledgements