2 Hour Ul Roof Assembly

D985 res lwc all.

2 hour ul roof assembly.

Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. D985 res lwc all. Deep spaced a max of 24 in. 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. Grade c d or sheathing layer 3 trusses. For direct attachment of. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

Welded to supports with 3 8 in. Ul design u419 1 2 3 or 4 hour wall assembly installation instructions. Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa. Ul assembly approved ceiling tile suspension maximum fix.

15 32 thick wood structural panels min. Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in. D985 unres lwc mk6gf. 2 hour steel and concrete assembly.

These listings are short summaries to serve as a. Gap between the end of the stud and track at the bottom of the wall. 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. Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq.

When vented or nonvented 9 16 in. Channel shaped studs 3 5 8 in. Deep galv units nom 24 to 36 in. With 1 2 wood structural panels with.

Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h. 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. Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing.

Certification database ul product iq. D985 unres lwc all.