2 Hour Ul Roof Assembly

15 32 thick wood structural panels min.

2 hour ul roof assembly.

These listings are short summaries to serve as a. Ul design u419 1 2 3 or 4 hour wall assembly installation instructions. D985 unres lwc mk6gf. 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.

Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. Click here for roof assemblies and. For direct attachment of. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04.

Layer 1 roofing system. Channel shaped studs 3 5 8 in. Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa. D985 res lwc all.

Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in. With 1 2 wood structural panels with. Deep spaced a max of 24 in. 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. A secure online source for increased visibility into your ul project files product information documents samples and services. Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies. Gap between the end of the stud and track at the bottom of the wall.

When vented or nonvented 9 16 in. 2 hour steel and concrete assembly. 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 are used the restrained assembly and beam ratings shall not exceed 1 1 2 h. Grade c d or sheathing layer 3 trusses. Ul assembly approved ceiling tile suspension maximum fix. Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq.

Welded to supports with 3 8 in. D985 unres lwc all.