30.20 May 30, 2026
ISO
ISO/TC 92
Technical Specification
This TS first presents a review of the different worldwide existing tests to assess the resistance of building components (mainly vents and roofs) under the thermal flux exposure during a large outdoor fire. Then a methodology is proposed to harmonize these tests into a single international ISO standard.
IN_DEVELOPMENT
ISO/CD TS 25399
30.20
CD study/ballot initiated
May 30, 2026
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