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Standard 263, Edition 14

Standard for Fire Tests of Building Construction and Materials

UL CSDS Proposal
Standard 263, Edition 14 Edition Date: January 05, 2018
Summary of Topics b0263_14_20180105_sum.html

Subject 263

Bulletin Dated: January 5, 2018

SUMMARY OF TOPICS

The following topics for the Standard for Fire Tests of Building Construction and Materials, UL 263, are being recirculated:

1. (A) Removal of the use of thermometers to measure temperatures on the unexposed surfaces, (B) Introduction of the use of a cotton pad test to determine conditions sufficient to ignite cotton waste on unexposed surfaces and (C) Expansion of the requirement to reference compliance with ASTM E2749 in reports describing fire tests on beam assemblies

2. Introduction of tests on ceiling membranes

3. Introduction of measuring and reporting furnace pressure

Back to Standard 263, Edition 14

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