2 Hour Ul Roof Assembly

Welded to supports with 3 8 in.

2 hour ul roof assembly.

Ul design u419 1 2 3 or 4 hour wall assembly installation instructions. Layer 1 roofing system. Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing. D985 res lwc all.

Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in. Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa. Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.

Gap between the end of the stud and track at the bottom of the wall. For direct attachment of. Grade c d or sheathing layer 3 trusses. 2 hour steel and concrete assembly.

Certification database ul product iq. 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. D985 unres lwc all. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

Deep spaced a max of 24 in. A secure online source for increased visibility into your ul project files product information documents samples and services. D985 unres lwc mk6gf. With 1 2 wood structural panels with.

Deep galv units nom 24 to 36 in. Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h. When vented or nonvented 9 16 in. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.

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 res lwc all. These listings are short summaries to serve as a. 15 32 thick wood structural panels min.

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. Channel shaped studs 3 5 8 in.