Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq.
2 hour ul roof assembly.
D985 unres lwc all.
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.
These listings are short summaries to serve as a.
Welded to supports with 3 8 in.
With 1 2 wood structural panels with.
Ul assembly approved ceiling tile suspension maximum fix.
When vented or nonvented 9 16 in.
D985 res lwc all.
D985 unres lwc mk6gf.
15 32 thick wood structural panels min.
Ul design u419 1 2 3 or 4 hour wall assembly installation instructions.
Click here for roof assemblies and.
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.
Gap between the end of the stud and track at the bottom of the wall.
Grade c d or sheathing layer 3 trusses.
Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing.
Certification database ul product iq.
D985 res lwc all.
For direct attachment of.
Deep spaced a max of 24 in.
Deep galv units nom 24 to 36 in.
2 hour steel and concrete assembly.
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Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h.
Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.
Layer 1 roofing system.
Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa.
Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in.
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.
Channel shaped studs 3 5 8 in.
