Roof ceiling 1 hour 2 x 4 1 1 2 wide wood web trusses 24 o c 5 8 t g plywood r 30 fiberglass insulation 1 1 2 x 25 gauge hat channel w 1 layer 1 2 sheet rock.
I hr roof ceiling.
Ul bxuv guideinfo section iii 19 includes the following.
Use of floor ceiling designs for roof ceiling or reverse.
Urb concealed grid system and tile.
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.
Concrete with cellular steel 3 hr.
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.
Building i m working on right now 2 hr rating.
The terms roof and ceiling are used interchangeably by some thinking of them as one and the same thing.
Class a b or c prepared roof coverings may be used on wood floor designs without a reduction of the fire resistance rating provided a nailer of equal thickness to the length of the mechanical fasteners is added to the flooring.
Wood framed including dimensional lumber engineered joist and truss.
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.
Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr.
C roof ceilings45 51 steel framed including steel bar joist framing steel c joist framing steel truss and steel roof deck.
Ul p533 roof ceiling one layer 5 8 15 9 mm fire shield c ga rc 2603 wallboard attached to 1 2 12 7 mm resilient furring channel spaced 12 o c.
Floor ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum structural system subfloor and finish floor.
Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm.
Roof vs ceiling.
D horizontal membrane 52 shaft wall used in a horizontal plane.
Fire rated ceiling 2hr intersection i have a two story apt.
However the two terms refer to two entities as distinct as a nut and a bolt and there is no reason to fail to distinguish between the two.
Helpful documents and resources for usg s roof assemblies can be found on this page.