Roof Ceiling Assembly

Fire resistance assembly rating.

Roof ceiling assembly.

I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. Urb concealed grid system and tile. N beam designs for floor ceiling assemblies p roof ceiling designs s beam designs for roof ceiling assemblies u or v wall and partition designs x or y column designs ii. These listings are short summaries to serve as a.

General the following information is applicable to all fire resistive designs described in this directory. Aggregate damper openings shall not exceed 45 sq in. These ratings are based on astm standards and compliance is determined by several independent non government testing services such as underwriters laboratories inc. However designing wall partitions ceiling systems and floor ceiling assemblies for the distinct qualities of a space will achieve the most effective sound control.

And the width not to exceed 9 3 4 in. Section 1207 of the 2015 ibc states that wall and floor ceiling assemblies separating dwelling units must meet a sound transmission class stc rating of 50 or 45 for field tested assemblies tested in accordance with astm e90. The same code states that floor ceiling assemblies between dwelling units or. With the length not to exceed 9 1 4 in.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. One hour roof ceiling assembly. Sound is defined as a vibration in an elastic medium that is any material air water physical object that returns. Alternate ceiling damper ceiling damper fan assembly for use with min 18 in.

Is this possible without using channels and what ul number would i use. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 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. Max height of damper shall be 9 7 8 in.

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. Channels spaced 12 305 mm o c. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Per 100 sq ft of ceiling area.

Helpful documents and resources for usg s roof assemblies can be found on this page. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Concrete with cellular steel 3 hr. Two types of fire rated construction assemblies pertain to acoustical ceiling systems.