IGCC Memos

2026.09.10: IMPORTANT REMINDER – IGCC®/IGMA® Certification Fee Increase

2026.08.05: Notice of Changes - Following the May 2026 IGCC Spring Certification Committee Meeting

2025.07.02: IGCC Certification Program – Laboratory Manual Changes Notification (Protocol Changes)

2025.07.01: Notice of Changes - Following the May 2025 IGCC Spring Certification Committee Meeting

2025.02.11: Informative Memo - Power Requirement Reminder for the Rapid Assessment Chamber

2025.01.31: Notice of Changes – NEW: The Procedural Guide for Use in the IGCC®/IGMA® Certification Program and the IGMAC® Certification Program

2024.01.10: PUBLIC REVIEW- CAN/CGSB 12.8 Insulating Glass Units/ Vitrage isolants (Dec 24, 2024 - Feb 22, 2025)

2023.06.27: IGCC Certification Program - Laboratory Manual Changes Notification

2023.01.25: IGCC Rapid Assessment Chamber (RAC) and Provisional Certification (PC) Memo

2022.06.21: Notice of Changes - Following the May 2022 IGCC Spring Certification Committee Meeting

2021.12.01: Important IGCC/IGMA RAC Green Light

2021.07.16: Reminder of Unit Receipt Notification Form

2021.02.16: Certification Program Audit Inspection Changes for 2021

2020.10.20: ASTM 2019 E2190 Testing Requirement Clarification

2019.07.11: ASTM 2019 Standard Revisions

2019.06.11: IMPORTANT Update to ASTM Insulating Glass Testing Standards

2017.11.28: IGCC Sealant Fingerprinting

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