Roof Ceiling Assemblies

When no insulation is used.

Roof ceiling assemblies.

A finish rating is established for assemblies containing combustible wood supports. Ul tests rate an entire assembly. Shaft wall limiting heights spans. Helpful documents and resources for usg s roof assemblies can be found on this page.

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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 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. All new fire rated roof ceiling assembly files.

One hour roof ceiling assembly. Urb concealed grid system and tile. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Find usg product specific cad and revit files.

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

No ceiling or suspension system product alone constitutes a fire rated assembly. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 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. Our cad and revit library of design drawings of wall intersections joints and other construction details. 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.

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