Is this possible without using channels and what ul number would i use.
Roof ceiling assemblies.
Our cad and revit library of design drawings of wall intersections joints and other construction details.
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.
Ul tests rate an entire assembly.
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.
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.
One hour roof ceiling assembly.
One hour roof ceiling assembly.
All new fire rated roof ceiling assembly files.
When no insulation is used.
Two types of fire rated construction assemblies pertain to acoustical ceiling systems.
12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.
Fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
Concrete with cellular steel 3 hr.
I am looking for a 1 hour roof ceiling assembly for wood truss construction.
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.
You can use only the specific type size and minimum.
I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.
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.
No ceiling or suspension system product alone constitutes a fire rated assembly.
Urb concealed grid system and tile.
Have a question about assemblies.
Channels spaced 12 305 mm o c.