D985 unres lwc mk6gf.
2 hour ul roof assembly.
Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq.
Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies.
Click here for roof assemblies and.
Welded to supports with 3 8 in.
Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.
D985 res lwc all.
Ul assembly approved ceiling tile suspension maximum fix.
Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in.
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When vented or nonvented 9 16 in.
Certification database ul product iq.
Gap between the end of the stud and track at the bottom of the wall.
15 32 thick wood structural panels min.
Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa.
Channel shaped studs 3 5 8 in.
Grade c d or sheathing layer 3 trusses.
6 usg fire resistant assemblies test certiļ¬cation test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test.
With 1 2 wood structural panels with.
Sound tested with 2 x 4 stud wall with 1 2 12 7 mm toughrock fireguard c gypsum wallboard or densarmor plus fireguard c panels each side of assembly and 3 1 2 89 mm fiberglass insulation in stud space both sides.
2 hour steel and concrete assembly.
Layer 1 roofing system.
Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.
Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h.
D985 unres lwc all.
D985 res lwc all.
Ul design u419 1 2 3 or 4 hour wall assembly installation instructions.
Steel roof deck unclassified noncomposite design vented or nonvented units 9 16 in 15 16 in 1 5 16 in 1 1 2 or 2 in.
Deep spaced a max of 24 in.
Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.
