Work Item
ASTM WK91196
New Test Method for Standard Test Method for Determining Reaction-to-fire Characteristics of Exterior Wall Assemblies with a Re-entrant Corner for Mass Timber Buildings
1. Scope
This fire-test-response standard prescribes a method for assessing the reaction-to-fire characteristics of exterior wall assemblies with a re-entrant corner used in mass timber buildings that are constructed using combustible materials or components.
Keywords
Mass Timber; Exterior Wall Assembly; Re-entrant Corner; reaction-to-fire
Rationale
Current building code requirements use prescriptive restrictions to limit the use of combustible components in exterior walls of tall mass timber buildings. The intent of this standard is to provide a performance based pathway to evaluate the safety of exterior wall assemblies for use on mass timber buildings where the fire exposure experienced by the exterior surface of the exterior wall assembly may be much more severe than traditional construction.
The title and scope are in draft form and are under development within this ASTM Committee.
Work Item Status
Date Initiated: 06-13-2024
Technical Contact: Steven Craft