Guide for Sound Insulation in Wood Frame Construction Part 10 docx

Page 99 of 103

IRC RR-219: Guide for Sound Insulation in Wood Frame Construction March 2006

Drawing SFFIGB33.pdf

Partition Wall

Single stud, details specific to the wall/floor junction case.

Corridor Wall

CW1: Single 2x6 (38x140 mm) wood stud wall with studs spaced 16” (406 mm) o.c., with double head plate.

CW2: 6” (140 mm) Unfaced Thermal/Acoustic Batt Insulation filling the wall cavity.

CW3: Two layers of 5/8” (15.9 mm) SHEETROCK® BRAND FIRECODE C CORE gypsum panels attached directly to the

studs. The base layer attached vertically using 1-5/8” (42 mm) drywall screws spaced 24” (610 mm) o.c. The face

layer attached vertically and fastened with 2” (52 mm) or longer screws placed 16” (406 mm) o.c. Joints staggered

by at least 16” (406 mm).

CW4: One layer of 5/8” (15.9 mm) SHEETROCK® BRAND FIRECODE C CORE gypsum panels attached via resilient

channels. The panels attached to the channels using 1-5/8” (42 mm) drywall screws placed 12” (305 mm) o.c. The

screws placed so as not to penetrate into the studs.

CW5: Resilient channels spaced 24” (610 mm) o.c. The resilient channels installed perpendicular to the studs using 1-5/8”

(42 mm) drywall screws.

Corridor Wall/Partition Wall Intersection

CJ1: 2x4 (38X89 mm) blocking material as required to support the RC’s of the corridor wall.

CJ2: TimberStrand®

laminated strand lumber (LSL) rimboard continuous across end of partition wall.