2 Hour Ul Roof Assembly

2 hour steel and concrete assembly.

2 hour ul roof assembly.

Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies. These listings are short summaries to serve as a. Ul assembly approved ceiling tile suspension maximum fix. 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. 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. D985 unres lwc mk6gf. Click here for roof assemblies and.

Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq. Deep spaced a max of 24 in. Welded to supports with 3 8 in. Layer 1 roofing system.

15 32 thick wood structural panels min. When vented or nonvented 9 16 in. D985 res lwc all. 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. 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. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Deep galv units nom 24 to 36 in.

Certification database ul product iq. A secure online source for increased visibility into your ul project files product information documents samples and services. D985 res lwc all. Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing.

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. For direct attachment of. Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h.

Ul design u419 1 2 3 or 4 hour wall assembly installation instructions. D985 unres lwc all.