1 Hour Fire Rated Wood Roof Ceiling Assembly

Roof ceiling and attic separation.

1 hour fire rated wood roof ceiling assembly. 2 x 8 f d joists 16 o c 1 layer 3 4 bead board ceiling span 17 18 live load 40 lbs. Our range of drawings can help pros plan projects more effectively by utilizing designs for a fire rated ceiling assembly. Ibc section 703 3 item 2. These listings are short summaries to serve as a.

Screw fastened perpendicular to lower chord of wood trusses of 2 x 4 38 mm x 89 mm. Assemblies include ducts dampers lighting or other fixtures in the tested assembly. 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. Fire rated suspended ceiling wood truss council of america floor or roof fire notes 1.

Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. 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. Ibc table 722 6 2 2 allows 10 minutes for wood floor or roof joists at 16 o c. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr.

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. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. 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. 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.

3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. For complete information on the listed systems the actual listing or test report should be reviewed. Ibc section 722 6 could be used to calculate up to a 1 hour rating for a wood frame wall floor or roof assembly. Floor or roof 1 hour.

Substrate roof floor ceiling time assembly ff file no. No minimum joist size is given except that it needs to be adequate for structural loads. Building code requirements. Urb concealed grid system and tile.

Fire rated assemblies are listed in the fire resistance design manual published by the gypsum association. Concrete with cellular steel 3 hr.