UL investigates and certifies interior finish materials, trim and decorative materials used in buildings for their surface burning characteristics.

Interior finish materials


General

The Steiner Tunnel is used for determining surface burning characteristics with regard to flame spread and smoke developed during fire exposure of the Classified materials in accordance with ANSI/UL 723 (ASTM E 84). An alternative test for selected materials, typically with a plastic core, is a room corner test conducted in accordance with ANSI/UL 1715 or NFPA 286.   Information  


Product categories

The following categories are a sample of those covering products certified to UL 723.

The following categories are a sample of those covering products certified to ANSI/UL 1715 or NFPA 286.

Other materials. Products categories covering all materialsevaluated in accordance with UL 723, UL 1715 and NFPA 286 can be found by searching for the standard designation in the Online Certifications Directory.


Technical articles