TB #1012: ANSI/UL 263 Fire-Resistance Rated Exterior Wall Assemblies


Effective Date: April 1, 2020

The purpose of this Technical Bulletin is to provide information regarding the relationship of fire-resistance ratings (ANSI/UL 263) of exterior wall assemblies to Laminators Inc. ACM panel systems, Omega CI rigid insulation panels, and NFPA 285 compliance.