ISO/DIS 20492-3

Glass in buildings — Insulating glass — Part 3: Gas concentration and gas leakage

General information

Current stage: 40.20 Effective date: Jan 13, 2026

Originator: ISO

Owner: ISO/TC 160

Type: International Standard

Scope

ISO 20492-3:2010 specifies two methods of test for insulating glass units, including a determination of the gas leakage rate and a determination of gas concentration tolerances. The two methods designated as approach 1, which is intended for use in markets such as North America, and approach 2, which is intended for use in markets such as Europe.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 20492-3:2010

NOW

IN_DEVELOPMENT
ISO/DIS 20492-3
40.20 DIS ballot initiated: 12 weeks
Jan 13, 2026

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