I Joists Fire Rated Floor Ceiling Assembly
5 8 15 9 mm toughrock fireguard x products applied perpendicular to 2 x 10 wood joists 16 406 mm o c.
I joists fire rated floor ceiling assembly. The fire resistance rated assemblies described in this document as well as those listed in other sources are not species or grade specific unless specifically noted as such. 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. Urb concealed grid system and tile.
If the suspended ceiling system is fire rated as equivalent to the fire performance of 1 2 inch gypsum on the underside of the i joist framing it is considered an alternative to the fire protection requirements in accordance with the first paragraph in the 2015 irc section r302 13 and 2012 irc section r501 3. These applications also typically require fire resistance rated floor ceiling assemblies. In october 2016 we made the decision to no longer use ul as a listing service for our fire resistance rated floor ceiling assemblies. Wood joists supporting 1 25 4 mm nominal wood sub and 1 25 4 mm nominal finish floor or 19 32 15 1 mm plywood finished floor with long edges t g and 15 32.
Trus joist tji ul fire assemblies follow. With 1 7 8 48 mm 6d nails 6 152 mm o c. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. This guide presents both impact and airborne sound ratings for fire rated tji joist floor ceiling assemblies with a variety of finish flooring and noise control components.
Assemblies to acceptable levels. This move aligns us with the rest of the industry and will. Here you can find drawings for our ul fire rated floor assemblies and ul fire rated ceiling assemblies. Weyerhaeuser had long been the lone i joist manufacture specifically listed in ul fire assemblies.
276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Concrete with cellular steel 3 hr. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Elements of buildings the fire resistance rating classifies the ability of an assembly to confine and isolate fire within a zone comprised of fire resistance rated walls ceiling and floor assemblies.
Fire rated wood frame wall and floor ceiling assemblies. Building code requirements.