Design Details Basic Interfaces — System B
Head Section (UL System HW-D-0603)
Base Section (UL System BW-S-0016)
USG steel J-runner SHEETROCK acoustical sealant 3/8" to 1/2" 1" min .
5/8"
over 4"
max .
Call-Button Box
25 ga. steel strip
4" min
(6"x12" min.)
1" SHEETROCK gypsum liner panels
call-button box
SHEETROCK FIRECODE Core gypsum panels
22 USG Shaft Wall Systems
SHEETROCK FIRECODE Core gypsum panels gypsum panel cant screw– attached to vertical studs (for projections over 4")
USG steel C-H stud SHEETROCK FIRECODE CORE gypsum panels SHEETROCK gypsum liner panels
1" SHEETROCK gypsum liner panels
USG steel C-H stud 75˚ min.
USG steel J-runner SHEETROCK acoustical sealant as required for sound