2 Hour Ul Roof Assembly

When vented or nonvented 9 16 in.

2 hour ul roof assembly.

Click here for roof assemblies and. Deep spaced a max of 24 in. Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h. 2 hour steel and concrete assembly.

Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c. These listings are short summaries to serve as a. Welded to supports with 3 8 in. With 1 2 wood structural panels with.

Certification database ul product iq. Layer 1 roofing system. 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. Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing.

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. Breakaway clip facings and height of wall differ between ul design u373 and whi gp wa 120 04. D985 res lwc all.

Gap between the end of the stud and track at the bottom of the wall. Channel shaped studs 3 5 8 in. Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies. Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in.

Deep galv units nom 24 to 36 in. Ul 263 ul 723 astm e 119 astm e 84 astm e 2768 ul 10b nfpa. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 15 32 thick wood structural panels min.

D985 res lwc all. 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. For direct attachment of.

A secure online source for increased visibility into your ul project files product information documents samples and services. Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq.