These wall assembly files are used for planning and estimation purposes for many ul wall types such as fire rated wall assemblies.
Partition 1 hour fire rated interior wall assembly.
Ul design u465 v438.
Usg provides resources here for our ul wall assemblies for seamless integration into any construction project.
The ceiling membrane of 1 and 2 hour fire resistance rated horizontal assemblies is permitted to be interrupted with the double wood top plate of a fire resistance rated wall assembly provided that all penetrating items through the double top plates are protected in accordance with section 714 4 1 1 1 or 714 4 1 1 2.
Head of wall firestop system firestop sealant double top track.
Fire resistance ratings are expressed in the number of minutes or hours a structure can withstand a fire simulation test.
Ss 105 1 hour partition with deflection track.
According to the engineered wood association a one hour rating indicates that a wall constructed in a manner similar to the one tested will contain flames and high temperatures and support its full load for at least one hour after the fire begins.