1 Hour Fire Rated Wood Roof Ceiling Assembly

Concrete with cellular steel 3 hr.

1 hour fire rated wood roof ceiling assembly. Urb concealed grid system and tile. 2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. 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. Assemblies include ducts dampers lighting or other fixtures in the tested assembly.

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. What you ll eventually learn is that the easiest place to design your own 1 hour assembly is section 721 6 of the international building code. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Roof ceiling and attic separation. No minimum joist size is given except that it needs to be adequate for structural loads. For complete information on the listed systems the actual listing or test report should be reviewed. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c.

The section details the procedures for calculating fire resistance of walls floor ceiling and roof ceiling assemblies. Ibc section 703 3 item 2. Fire rated wood frame wall and floor ceiling assemblies. These listings are short summaries to serve as a.

Floor or roof 1 hour. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Substrate roof floor ceiling time assembly ff file no.

Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm. Gypsum wallboard roof ceilings wood framing pitched roof truss 11 1 hr. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 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.

Building code requirements. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly.