When vented or nonvented 9 16 in.
2 hour ul roof assembly.
Welded to supports with 3 8 in.
Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies.
Click here for roof assemblies and.
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.
Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq.
Channel shaped studs 3 5 8 in.
Ul assembly approved ceiling tile suspension maximum fix.
Gap between the end of the stud and track at the bottom of the wall.
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.
Deep spaced a max of 24 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.
15 32 thick wood structural panels min.
D985 unres lwc mk6gf.
Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.
Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.
Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in.
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.
D985 res lwc all.
These listings are short summaries to serve as a.
Ul design u419 1 2 3 or 4 hour wall assembly installation instructions.
Certification database ul product iq.
Layer 1 roofing system.
A secure online source for increased visibility into your ul project files product information documents samples and services.
2 hour steel and concrete assembly.
D985 unres lwc all.
D985 res lwc all.
Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.
Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa.
For direct attachment of.
