Roof Ceiling Assemblies

A finish rating is established for assemblies containing combustible wood supports.

Roof ceiling assemblies.

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. 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. No ceiling or suspension system product alone constitutes a fire rated assembly.

One hour roof ceiling assembly. Is this possible without using channels and what ul number would i use. When insulation is used or 16 406 mm o c. Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. Two types of fire rated construction assemblies pertain to acoustical ceiling systems. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

Have a question about assemblies. Helpful documents and resources for usg s roof assemblies can be found on this page. When no insulation is used. All new fire rated roof ceiling assembly files.

Our cad and revit library of design drawings of wall intersections joints and other construction details. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Channels spaced 12 305 mm o c. Shaft wall limiting heights spans.

You can use only the specific type size and minimum. Concrete with cellular steel 3 hr. Ul tests rate an entire assembly. Urb concealed grid system and tile.

One hour roof ceiling assembly.