1 Hour Fire Rated Wood Roof Ceiling Assembly

Fire rated wood frame wall and floor ceiling assemblies.

1 hour fire rated wood roof ceiling assembly. Fire rated suspended ceiling wood truss council of america floor or roof fire notes 1. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. 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. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

Concrete with cellular steel 3 hr. The section details the procedures for calculating fire resistance of walls floor ceiling and roof ceiling assemblies. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies.

Fire rated assemblies are listed in the fire resistance design manual published by the gypsum association. Substrate roof floor ceiling time assembly ff file no. 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.

Ibc section 703 3 item 2. Roof ceiling and attic separation. No minimum joist size is given except that it needs to be adequate for structural loads. Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm.

For complete information on the listed systems the actual listing or test report should be reviewed. Building code requirements. 2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. Prescriptive designs ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses.

For occupancies such as stores apartments of fices and other commercial and industrial uses build ing codes commonly require floor ceiling and wall assemblies to be fire resistance rated in accordance with standard fire tests. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Ul p533 roof ceiling one layer 5 8 15 9 mm fire shield c ga rc 2603 wallboard attached to 1 2 12 7 mm resilient furring channel spaced 12 o c. Floor or roof 1 hour.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr.