The listed assemblies in this document may not contain all components of the approved assembly.
Ul rated roof assemblies.
Hold down clips are required when fire rated board weighs less than 1 0 lb sq.
Helpful documents and resources for usg s roof assemblies can be found on this page.
Ul standard ul 1256 edition 4 standard for fire test of roof deck constructions edition date.
Fixtures column indicates 24 x 48 fixture only unless noted.
The ul certification mark on roofing products and assemblies is relied on by code enforcement officials and buyers to verify that your products and systems meet regulatory requirements.
For additional information on usg fire rated assemblies cad bim content and specifications.
October 31 2002 ansi approved.
Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project.
For nearly 60 years architects designers and code authorities have relied on ul fire resistance rated wall floor ceiling roof ceiling and column and beam designs for code compliant installations.
Ultraply tpo roof systems tested assembly guide august 2020 it is the responsibility of the user of this document to verify the included assemblies in the charts below with the associated firm s ul fm etc.
The ul certification mark on fire resistant products systems and assemblies is relied on by code enforcement officials and buyers to provide confidence that products and systems meet regulatory and market requirements.
Fire rated assemblies are tested and certified in their entirety.
As explained there these ratings are applied to certain types of roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.
It also serves as a key differentiator for products within the roofing market.
Assemblies are tested with the method and cri teria established in standard ul 263 also known as a2 1 astm e119 and nfpa 251.
It is a key differentiator for products within the exterior wall assembly market.
As the global safety science leader ul helps companies to demonstrate safety enhance sustainability strengthen security deliver quality manage risk and achieve regulatory compliance.
