I Joists Fire Rated Floor Ceiling Assembly

Weyerhaeuser had long been the lone i joist manufacture specifically listed in ul fire assemblies.

I joists fire rated floor ceiling assembly.

Here you can find drawings for our ul fire rated floor assemblies and ul fire rated 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. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete. 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.

Trus joist tji ul fire assemblies follow. 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. This move aligns us with the rest of the industry and will. 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.

Concrete with cellular steel 3 hr. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. 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. 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.

Urb concealed grid system and tile. Building code requirements. 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. Lp s proprietary fire resistance rated assemblies can be found in icc es evaluation reports esr 1305 for lp i joist floor ceiling assemblies and esr 2403 for lp lsl and lvl wall.

The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels. Fire rated wood frame wall and floor ceiling assemblies. With 1 7 8 48 mm 6d nails 6 152 mm o c. 12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr.

Assemblies to acceptable levels. Descriptions of successfully tested i joist floor as semblies are provided in table 3 for one hour fire re sistance rated floor ceiling assemblies and table 4 for.