> ## Documentation Index > Fetch the complete documentation index at: https://docs.acelabusa.com/llms.txt > Use this file to discover all available pages before exploring further. # Three Things to Know - Specifying Architectural Glass > Learn the essential considerations architects should understand when specifying architectural glass and IGU systems for building projects.

Three Things to Know - Specifying Architectural Glass webinar cover

In this video, **Adam Mitchell** presents **Three Things to Know - Specifying Architectural Glass** and explores the fundamentals of insulated glass units (IGUs), including how they are made and the key components that influence their performance. Learn the essential considerations architects should understand when specifying architectural glass and IGU systems for building projects. This course covers:
✅ The fundamentals of insulated glass units (IGUs)
✅ How IGUs are manufactured and assembled
✅ Key components that make up an IGU
✅ Important considerations when specifying architectural glass
✅ How understanding IGU construction can support better glass selections and project outcomes ## Watch the recording