2 Hour Ul Roof Assembly

Gap between the end of the stud and track at the bottom of the wall.

2 hour ul roof assembly.

For direct attachment of. 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. Deep galv units are used the restrained assembly and beam ratings shall not exceed 1 1 2 h. 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. Maximum sizes ceiling area suspension ceiling designs support fi re rated ceiling assemblies. 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.

Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. 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 res lwc all. D985 res lwc all.

A secure online source for increased visibility into your ul project files product information documents samples and services. D985 unres lwc mk6gf. These listings are short summaries to serve as a. D985 unres lwc all.

Size duct area per assembly construction design rating tiles panels panel system ceiling area 100 sq. Welded to supports with 3 8 in. Studs to be cut 3 4 in less than the assembly height and installed with a 1 2 in. Deep spaced a max of 24 in.

15 32 thick wood structural panels min. Click here for roof assemblies and. Channel shaped studs 3 5 8 in. Grade c d or sheathing layer 3 trusses.

With 1 2 wood structural panels with. 2 hour steel and concrete assembly. Any ul class a b or c roofing system tgfu or prepared roof covering tfwz layer 2 roof sheathing. Certification database ul product iq.

When vented or nonvented 9 16 in. Layer 1 roofing system.