Roof Ceiling Assemblies

Channels spaced 12 305 mm o c.

Roof ceiling assemblies. You can use only the specific type size and minimum. Urb concealed grid system and tile. One hour roof ceiling assembly. Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. I am looking for a 1 hour roof ceiling assembly for wood truss construction. Helpful documents and resources for usg s roof assemblies can be found on this page. Roof ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum roof support structure and roof assembly including deck insulation and roofing system.

Refer to our roof ceiling assembly documents which includes ul fire rated roof assemblies for easy guidance through the assembly of a roof or ceiling on your next project. A finish rating is established for assemblies containing combustible wood supports. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

When insulation is used or 16 406 mm o c. When no insulation is used. All new fire rated roof ceiling assembly files. The finish rating is defined as the time at which the wood stud or wood joist reaches an average temperature rise of 250 f or an individual temperature rise of 325 f as measured on the plane of the wood nearest the fire.

No ceiling or suspension system product alone constitutes a fire rated assembly. Roof ceiling steel framed one layer 5 8 15 9 mm toughrock fireguard c gypsum board or 5 8 15 9 mm densarmor plus fireguard c gypsum panels applied at right angles to resilient or rigid furring channels with 1 25 4 mm type s drywall screws 12 305 mm o c. Find usg product specific cad and revit files. Have a question about assemblies.

Fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Concrete with cellular steel 3 hr. One hour roof ceiling assembly. Two types of fire rated construction assemblies pertain to acoustical ceiling systems.

Ul tests rate an entire assembly.