Roof Ceiling Assemblies

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

Roof ceiling assemblies.

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. I am looking for a 1 hour roof ceiling assembly for wood truss construction. 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. One hour roof ceiling assembly.

Concrete with cellular steel 3 hr. Helpful documents and resources for usg s roof assemblies can be found on this page. You can use only the specific type size and minimum. Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements.

One hour roof ceiling assembly. Channels spaced 12 305 mm o c. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Is this possible without using channels and what ul number would i use.

Urb concealed grid system and tile. 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. When insulation is used or 16 406 mm o c. A finish rating is established for assemblies containing combustible wood supports.

Fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. When no insulation is used. All new fire rated roof ceiling assembly files. Ul tests rate an entire assembly.

Find usg product specific cad and revit files. 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. No ceiling or suspension system product alone constitutes a fire rated assembly. Two types of fire rated construction assemblies pertain to acoustical ceiling systems.

Our cad and revit library of design drawings of wall intersections joints and other construction details.