A one-and-a-half hour fire damper under UL number R13479 is installed within a shaft wall assembly conforming to UL design series U400. The opening is framed with steel J-runner headers, steel J-runners, back-to-back steel E-studs, and steel CH channels. Mounting angles secure the damper sleeve to the wall studs, maintaining a maximum clearance gap of one-half inch.
1 - 1/2 HR FIRE DAMPER UL NO R13479 MOUNTING ANGLE SECTION B STEEL E-STUD DAMPER SLEEVE 1 - 1/2 HR FIRE DAMPER UL NO R13479 SECTION A STEEL J-RUNNER HEADER MOUNTING ANGLE DAMPER SLEEVE ELEVATION AT DUCT OPENING N.T.S. STEEL J RUNNER STEEL E-STUDS BACK-TO-BACK STEEL CH CHANNEL CEILING STEEL J-RUNNER DUCT OPENING A B 1/2" MAX 1/2" MAX PARTITION 1 AND 2-HR UL DESIGN: U400 SERIES SHAFT WALL ASSEMBLY
Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.
Start membership