Typical Details | FAS J-Track (Shaft Wall) ¾" Joint Protection for 1 & 2 Hour Walls HW-D-0625 1 HR. CONCRETE SLAB HW-D-0623 2 HR. FLUTED DECK BEAM PENETRATION CONCRETE SLAB 3 4" JOINT PROTECTION FLAT TAPE & JOINT COMPOUND OVER HALF ROUND BACKER ROD (Optional) CEMCO FAS J- TRACK MINERAL WOOL CH STUD 5/8" TYPE "X" DRYWALL 1" SHAFT LINER FLAT TAPE & JOINT COMPOUND CONFIGURATION "B" *NOTE: SINGLE LAYER OF 5/8" TYPE "X" DRYWALL FOR 1 HOUR FIRE RATING, 2 LAYERS FOR 2 HOUR *NOTE: SINGLE LAYER OF 5/8" TYPE "X" DRYWALL FOR 1 HOUR FIRE RATING, 2 LAYERS FOR 2 HOUR HW-D-0653 2 HR. PARALLEL & CANTILEVER UNDER BEAM HW-D-0625 1HR. SHAFT WALL, CONCRETE SLAB CONCRETE SLAB 3 4" JOINT PROTECTION CEMCO FAS J- TRACK MINERAL WOOL CH STUD 5/8" TYPE "X" DRYWALL 1" SHAFT LINER CONFIGURATION "A" *NOTE: SINGLE LAYER OF 5/8" TYPE "X" DRYWALL FOR 1 HOUR FIRE RATING, 2 LAYERS FOR 2 HOUR 28 *NOTE: SINGLE LAYER OF 5/8" TYPE "X" DRYWALL FOR 1 HOUR FIRE RATING, 2 LAYERS FOR 2 HOUR Head of Wall Systems | www.cemcosteel.com | 800.775.2362http://www.cemcosteel.com