16
16
Job:02-30056 Title: RP-Interior Design Reference and Specification
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THE INTERIOR DESIGN REFERENCE + SPECIFICATION BOOK
Text
WALLS
Fire-Rated Wall Assemblies
STC-Rated Partitions
Partitions over Existing Walls
Corner Conditions
Base Conditions
*standard metric equivalence
Chapter 16: Details
Key to the successful combination of materials, colors, textures, and patterns is
how the elements of an interior are detailed. While detailing will vary from project to
project, there are typical details with which every designer should be familiar.
1-Hour-Rated Assembly
1 layer
5
/
8
" (16) gypsum wall
board (GWB) on each side of
2" × 4" (38 × 99)* studs @ 16"
(400)* on center (OC). Acoustic
sealant top and bottom.
2-Hour-Rated Assembly
2
layers
5
/
8
" (16) GWB each side
of 2" × 4" (38 × 99) studs @ 16"
(400) OC. Acoustic sealant top
and bottom.
plan
section
plan
section
3-Hour-Rated Assembly
3 layers
5
/
8
" (16) GWB each side
of 2" × 4" (38 × 99) studs @ 16"
(400) OC. Acoustic sealant top
and bottom.
plan
section
STC 40–47
2 layers
5
/
8
" (16) GWB each side
of 2" × 4" (38 × 99) studs @ 16"
(400) OC. Furring channel one
side. Acoustic sealant top and
bottom.
STC 50–54
2 layers
5
/
8
" (16) GWB each side
of 2" × 4" (38 × 99) studs @ 16"
(400) OC. Studs staggered to
create air pocket. Acoustic
sealant top and bottom.
plan
section
plan
section
plan
section
STC 56–61
1 layer
5
/
8
" (16) GWB each side
of 2—2" × 4" (38 × 99) studs @
16" (400) OC. Studs nominally
separated. Acoustic sealant
top and bottom.
Job:02-30056 Title: RP-Interior Design Reference and Specification
#175 Dtp:216 Page:238
(RAY)
236-249_30056.indd 238 3/4/13 7:53 PM