ASD/LRFD Manual - American Wood Council

ASD/LRFD MANUAL FOR ENGINEERED Wood Construction
123
Table M16.1-7
Fire-Resistive Wood I-Joist Floor/Ceiling Assemblies
One-Hour Assemblies
Joists Insulation Furring Ceiling Sheathing Fasteners Details
I-joists @ 24" o.c.
Min. flange thickness: 1-1/2"
Min. flange area: 5.25 sq. in.
Min. web thickness: 3/8"
Min. I-joist depth: 9-1/4"
I-joists @ 24" o.c.
Min. flange thickness: 1-1/2"
Min. flange area: 5.25 sq. in.
Min. web thickness: 7/16"
Min. I-joist depth: 9-1/4"
I-joists @ 24" o.c.
Min. flange thickness: 1-5/16"
Min. flange area: 2.25 sq. in.
Min. web thickness: 3/8"
Min. I-joist depth: 9-1/4"
I-joists @ 24" o.c.
Min. flange thickness: 1-1/2"
Min. flange area: 3.45 sq. in.
Min. web thickness: 3/8"
Min. I-joist depth: 9-1/4"
I-joists @ 24" o.c.
Min. flange thickness: 1-1/2"
Min. flange area: 2.25 sq. in.
Min. web thickness: 3/8"
Min. I-joist depth: 9-1/4"
I-joists @ 24" o.c.
Min. flange thickness: 1-5/16"
Min. flange area: 1.95 sq. in.
Min. web thickness: 3/8"
Min. I-joist depth: 9-1/2"
1-1/2" mineral wool
batts
(2.5 pcf - nominal)
Resting on hat-shaped
channels
1-1/2" mineral wool
batts
(2.5 pcf - nominal)
Resting on resilient
channels
2" mineral wool batts
(3.5 pcf - nominal)
Resting on 1x4 setting
strips
1" mineral wool batts
(6 pcf - nominal) Resting
on hat-shaped channels
under I-joist bottom
flange
(none)
(optional)
Hat-shaped
channels
Resilient
channels
Resilient
channels
Hat-shaped
channels
supported
by CSC
clips
(none)
Resilient
channels
F
F
F
F
B
F
B
F
5/8" Type C Gypsum
Wallboard
5/8" Type C Gypsum
Wallboard
5/8" Type C Gypsum
Wallboard
1/2" Type C Gypsum
Wallboard
1/2" Type X Gypsum
Wallboard
1/2" Type X Gypsum
Wallboard
1/2" Type X Gypsum
Wallboard
1/2" Type X Gypsum
Wallboard
1-1/8" Type S drywall screws @ 12" o.c.
(see fastening details)
1" Type S drywall screws @ 8" o.c.
(see fastening details)
1-1/8" Type S drywall screws @ 7" o.c.
(see fastening details)
1" Type S drywall screws @ 12" o.c.
(see fastening details)
1-5/8" Type S drywall screws @ 12" o.c.
2" Type S drywall screws @ 12" o.c.
1-1/2" Type G drywall screws @ 8" o.c.
(see fastening details)
1-1/4" Type S drywall screws @ 12" o.c.
1-5/8" Type S drywall screws @ 12" o.c.
1-1/2" Type G drywall screws @ 8" o.c.
(see fastening details)
Figure
M16.1-15
Figure
M16.1-16
Figure
M16.1-17
Figure
M16.1-18
Figure
M16.1-19
Figure
M16.1-20
Two-Hour Assembly
Joists Insulation Furring Ceiling Sheathing Fasteners Details
5/8" Type C Gypsum
I-joists @ 24" o.c.
(none) B 1-5/8" Type S drywall screws @ 12" o.c.
Wallboard
Min. flange thickness: 1-1/2" 3-1/2" fiberglass
5/8" Type C Gypsum
Figure
Min. flange area: 2.25 sq. in. insulation supported by
M
1" Type S drywall screws @ 12" o.c.
Hat-shaped Wallboard
M16.1-21
Min. web thickness: 3/8" stay wires spaced 12" o.c.
channels 5/8" Type C Gypsum 1-5/8" Type S drywall screws @ 8" o.c.
Min. I-joist depth: 9-1/4"
F
Wallboard
(see fastening details)
B- Base layer sheathing (direct attached) M- Middle layer sheathing F- Face layer sheathing
M16: FIRE DESIGN
16
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