Roof Ceiling Assembly

With the length not to exceed 9 1 4 in.

Roof ceiling assembly.

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. 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. Sound is defined as a vibration in an elastic medium that is any material air water physical object that returns. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Max height of damper shall be 9 7 8 in. I am looking for a 1 hour roof ceiling assembly for wood truss construction. When insulation is used or. These listings are short summaries to serve as a.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Channels spaced 12 305 mm o c. 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. Max nom area shall be 75 sq in.

Helpful documents and resources for usg s roof assemblies can be found on this page. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control. The same code states that floor ceiling assemblies between dwelling units or. Concrete with cellular steel 3 hr.

276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. And the width not to exceed 9 3 4 in. Alternate ceiling damper ceiling damper fan assembly for use with min 18 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.

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. 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. Is this possible without using channels and what ul number would i use.

General the following information is applicable to all fire resistive designs described in this directory. Two types of fire rated construction assemblies pertain to acoustical ceiling systems. Fire resistance assembly rating. 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.