1 Hour Fire Rated Floor Ceiling Assembly Wood

Drywall wood framed systems section pages contents partitions and walls 2 details partitions 6 ceilings 9 test data ceilings 10 details ceilings 13 good design practices 15 architectural speciﬁcations 17 introduction the basic gypsum drywall assemblies described herein offer economical quickly erected walls and ceilings on wood framing. The section details the procedures for calculating fire resistance of walls floor ceiling and roof ceiling assemblies. W 2 x 4 24 o c.

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Architects and contractors can spend a lot of time hunting for miscellaneous fire rated assemblies in wood construction.

1 hour fire rated floor ceiling assembly wood. Gypsum board partitions wood framing continued 1 hour stc 45 fire design ul u312 ga file wp 3341 sound test ngc 2321 1 4 gypsum board base layer applied vertically to each side of 2x4 wood studs 16 o c. W 1 2 plywood span 17 live load 20lbs. Concrete with cellular steel 3 hr. W 3 4 t g osb live load 40lbs.

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. 2 x 10 rafters 24 o c. Substrate roof floor ceiling time assembly ff file no. Excellent sound attenuation at low cost is provided.

12 x 24 2 x 4 8 w10 x 25 beam floor units and beam support 3 hr. Gypsum wallboard beam fireproofing 8wf24 or heavier cad file name goldn dwg or goldn dxf no. 1 2 12 7 mm plywood floor. 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.

With 4d coated nails 1 1 2 long 0 099 shank 1 4 heads 12 o c. Timberstrand lsl studs 11 typical wall assemblies. And guidelines 16 tji joist descriptions 16 fasteners 16 allowable holes 17 tji joist sprinkler details cpvc. W 1 2 plywood beam span 10.

For canada 12 13 fire facts q a 14 15 sprinkler systems general assumptions. 4 x 10 beams 8 o c. Fire rated wood frame wall and floor ceiling assemblies 5 ws4 1 1 one hour fire resistive wood frame wall assembly 2x4 wood stud wall 100 design load astm e 119 nfpa 251. Wood joists wood i joists floor trusses and flat or pitched roof trusses spaced a maximum 24 o c.

Sheathing 5 8 in. 276 fire rated ceiling assemblies suspension ceiling designs floor ceiling designs a003 3 hr. Ibc table 721 3 item 21 1 1 describes a single prescriptive 1 hour rated floor or roof assembly that includes wood trusses. Type x gypsum wallboard 4 ft.

Ul n501 two layers of 5 8 15 9 mm fire shield wallboard applied to beam cage fabricated from ga bm 2120 25 gauge steel channel brackets spaced 24 o. 2 1 3 4 2. O c double top plates single bottom plate. Urb concealed grid system and tile.

Assemblies for canada 7 center wall assemblies 8 9 end wall assemblies 10 11 1 hour wall assembly with. Wood roof ceiling 1hr. Ceiling provides one hour fire resistance protection for wood framing. The ratings relate to fire tests designed to determine how quickly fire can raise the temperature to unacceptable levels.

11 7 8 tj i s 16 o c. With 1 2 wood structural panels with. Description 1 2 hr. 3 4 fr 83 12 x 12 z runners fluorescent type none 2 1 2 concrete.

Joinst staggered 16 on opposite sides. Framing nominal 2x4 wood studs spaced 16 in.