Fire-Resistant Assemblies - USG Corporation

Pages
A Partitions 9-23
B Floors/Ceilings 24-44
C Roof/Ceilings 45-51
Selector Overview
The sections listed below correspond to the different types of assemblies
in which USG products are tested.
Each section is arranged sequentially according to fire ratings, the
criterion that most often governs selection. Each entry within a
section contains a reference to the source for more information within
the Architectural Reference Library binder.
D Horizontal Membrane 52 Shaft wall used in a horizontal plane.
5 USG Fire-Resistant Assemblies
Steel-framed, including non-loadbearing, loadbearing and chase walls; wood-framed,
including non-loadbearing, loadbearing and chase walls; area separation walls; shaft walls;
and masonry walls. Includes gypsum base and veneer finishes, gypsum drywall, cement
board and conventional lath and plaster.
Steel-framed, including steel bar joist framing, steel C-joist framing, and steel
truss; wood-framed, including dimensional lumber, engineered joist and truss;
and structural concrete.
Steel-framed, including steel bar joist framing, steel C-joist framing, steel truss and
steel roof deck; wood-framed, including dimensional lumber, engineered joist and truss;
and structural concrete.
E Structural
Fireproofing 53-56 Column, beam, through-penetration walls and floors, and joists. Basic methods of
protecting columns and beams with gypsum base and veneer finishes, mineral fireproofing,
and gypsum drywall.
F Exterior Walls 57-59 Steel-framed, including loadbearing and non-loadbearing; and wood-framed, including
loadbearing. Includes exterior curtain wall assemblies.
G Through-Penetration 60-63 Mortar-, caulk- and intumescent-type materials that provide reliable firestops.
Firestops