IG Certification (Manufacturer)

Insulating Glass (IG) Certification verifies that insulated glass units (IGUs) are manufactured to meet industry standards for durability, performance, and long-term seal integrity. Certification is conducted through accredited third-party programs and is often required for compliance with building codes, warranty validation, and architectural specifications.

IG certification programs, such as IGCC/IGMA in North America, evaluate insulated glass units through periodic testing, including high/low temperature cycling, seal durability, moisture penetration, and gas fill retention (when applicable). Certified manufacturers are subject to ongoing quality audits to ensure consistency in production processes and materials.

For frameless glass door systems utilizing insulated glazing, IG Certification provides assurance that the glass units are capable of maintaining thermal performance, clarity, and long-term reliability under normal service conditions. It also ensures compliance with key industry standards such as ASTM E2190 for IG unit durability.

IG Certification confirms that the insulating glass used in a product is produced by a qualified manufacturer and meets recognized performance requirements for commercial and residential applications.