Roof Ceiling Assembly

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Roof ceiling assembly. 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. Alternate ceiling damper ceiling damper fan assembly for use with min 18 in. These ratings are based on astm standards and compliance is determined by several independent non government testing services such as underwriters laboratories inc. Aggregate damper openings shall not exceed 45 sq in.

General the following information is applicable to all fire resistive designs described in this directory. Fire resistance assembly rating. Helpful documents and resources for usg s roof assemblies can be found on this page. Sound is defined as a vibration in an elastic medium that is any material air water physical object that returns.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. Channels spaced 12 305 mm o c. 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.

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. Max height of damper shall be 9 7 8 in. However designing wall partitions ceiling systems and floor ceiling assemblies for the distinct qualities of a space will achieve the most effective sound control.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. One hour roof ceiling assembly. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Per 100 sq ft of ceiling area.

When insulation is used or. 6 usg fire resistant assemblies test certification test conditions and fire and sound tested assemblies listed in this selector are based on characteristics properties and performance certificationof materials and systems obtained under controlled test conditions as set forth in the appropriate astm standard in effect at the time of test. And the width not to exceed 9 3 4 in. With the length not to exceed 9 1 4 in.

Is this possible without using channels and what ul number would i use. These listings are short summaries to serve as a. Max nom area shall be 75 sq in. 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.