Roof Ceiling Assemblies Ul

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.

Roof ceiling assemblies ul.

Ul designs thickness roof assemblies. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 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.

The ul certification mark on fire resistant products systems and assemblies is relied on by code enforcement officials and buyers to provide confidence that products and systems meet regulatory and market requirements. It is a key differentiator for products within the exterior wall assembly market. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. In fact there is no.

Helpful documents and resources for usg s roof assemblies can be found on this page. Concrete with cellular steel 3 hr. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Certification database ul product iq.

Ul tests rate an entire assembly. Urb concealed grid system and tile. Is this possible without using channels and what ul number would i use. Establish the hourly rating needed to meet code requirements.

No ceiling or suspension system product alone constitutes a fire rated assembly. When insulation is used or. Channels spaced 12 305 mm o c. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Roof ceiling and floor ceiling construction assemblies which are tested and assigned hourly ratings mandated by building codes or other building safety requirements. Floor ceiling assemblies ceiling system lighting hvac outlets and other penetrants through the ceiling the plenum structural system subfloor and finish floor. Usg panels usg panels usg panels ul design number ul design number ul design number g503 g531 l501 l508 n501 n502 n505 p515 p516. Ul does not appear to list an assembly as described.

7 usg fire resistant assemblies cross reference of usg panels and ul fire ratings the following table lists the usg panels that are appropriate to use for different ul fire resistive designs. Selecting the right ul fire rated assembly.