12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.
Usg fire rated ceiling grid.
These listings are short summaries to serve as a.
The donn brand zxla acoustical suspension systemis a fire rated 15 16 galvanized steel system that offers an affordable alternative to aluminum grid.
Your home is your sanctuary.
Twist resistant offering a clean look without exposed steel edges it is available in a variety of colors to coordinate with usg ceiling panels.
Made of painted hot dipped galvanized steel with an aluminum face zxla grid can be installed in many environments where aluminum grid would normally be required providing significant cost.
Urb concealed grid system and tile.
The irc r501 3 currently recommends gypsum or plywood i joists to meet code.
In a side by side test armstrong s ceiling solution withstood the e 84 fire testing for 23.
Concrete with cellular steel 3 hr.
Fire rated ceiling grid overview.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.
Add a layer of protection with a prelude 15 16 grid system with fire guard main beams by armstrong ceilings.
The system can be used in both general and fire rated applications.
6 usg fire resistant assemblies test certiļ¬cation 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.
3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.