2 Hour Ul Roof Assembly

When vented or nonvented 9 16 in.

2 hour ul roof assembly.

Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. Channel shaped studs 3 5 8 in. D985 res lwc all. 15 32 thick wood structural panels min.

Grade c d or sheathing layer 3 trusses. D985 unres lwc all. A secure online source for increased visibility into your ul project files product information documents samples and services. 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.

Certification database ul product iq. Deep spaced a max of 24 in. For direct attachment of. Welded to supports with 3 8 in.

Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in. Click here for roof assemblies and. With 1 2 wood structural panels with. Deep galv units nom 24 to 36 in.

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. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa. Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing.

Ul assembly approved ceiling tile suspension maximum fix. Gap between the end of the stud and track at the bottom of the wall. Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h. These listings are short summaries to serve as a.

Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies. D985 unres lwc mk6gf. Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq. Ul design u419 1 2 3 or 4 hour wall assembly installation instructions.

6 usg fire resistant assemblies test certification 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. 2 hour steel and concrete assembly.