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.

Roof ceiling assembly.

These listings are short summaries to serve as a. And the width not to exceed 9 3 4 in. When insulation is used or. These ratings are based on astm standards and compliance is determined by several independent non government testing services such as underwriters laboratories inc.

Two types of fire rated construction assemblies pertain to acoustical ceiling systems. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. General the following information is applicable to all fire resistive designs described in this directory. 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.

Sound is defined as a vibration in an elastic medium that is any material air water physical object that returns. Concrete with cellular steel 3 hr. However designing wall partitions ceiling systems and floor ceiling assemblies for the distinct qualities of a space will achieve the most effective sound control. The same code states that floor ceiling assemblies between dwelling units or.

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. 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. Fire resistance assembly rating. Channels spaced 12 305 mm o c.

Max nom area shall be 75 sq in. 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. I would like to apply the drywall directly to the bottom of the truss and also have insulation for sound control.

I am looking for a 1 hour roof ceiling assembly for wood truss construction. With the length not to exceed 9 1 4 in. Max height of damper shall be 9 7 8 in. Per 100 sq ft of ceiling area.

Aggregate damper openings shall not exceed 45 sq in. 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. One hour roof ceiling assembly.