Page text

Sheet
Drawing No.
HILTI, Inc.
Date
Scale
NOTE : AS AN ALTERNATE TO HILTI CP 767 SPEED STRIPS, MINERAL WOOL
(MIN. 4 PCF DENSITY) COMPRESSED 50% MAY BE USED.
1. CONCRETE FLOOR ASSEMBLY (1-HR. OR 2-HR. FIRE-RATING) :
A. LIGHTWEIGHT OR NORMAL WEIGHT CONCRETE FLOOR ASSEMBLY (MIN. 4-1/2" THICK).
B. ANY UL/cUL CLASSIFIED PRE-CAST HOLLOW CORE CONCRETE FLOOR ASSEMBLY (MIN. 6" THICK).
2. GYPSUM WALL ASSEMBLY (UL/cUL CLASSIFIED U400 OR V400 SERIES) (1-HR. OR 2-HR. FIRE-RATING)
(2-HR. SHOWN).
3. CEILING RUNNER (MIN. 25 GA., FLANGE HEIGHT OF CEILING RUNNER SHALL BE MINIMUM 1/4" GREATER
THAN MAXIMUM EXTENDED JOINT WIDTH) FASTENED TO UNDERSIDE OF CONCRETE FLOOR WITH STEEL
MASONRY ANCHORS OR STEEL FASTENERS (SPACED 24" O.C.).
4. STEEL STUDS (MIN. 2-1/2" WIDE), CUT 1-1/4" TO 1-1/2" LESS IN LENGTH THAN ASSEMBLY HEIGHT,
NESTING IN CEILING RUNNER WITHOUT ATTACHMENT.
5. 5/8" OR 1-1/4" THICKNESS GYPSUM WALLBOARD AS SPECIFIED IN THE INDIVIDUAL UL DESIGN. TOP ROW
OF SCREWS SHALL BE INSTALLED INTO STUDS 5" BELOW THE BOTTOM PLANE OF FLOOR.
6. HILTI CP 767 SPEED STRIPS COMPRESSED 50% AND TIGHTLY PACKED INTO THE JOINT, FLUSH WITH
BOTH SIDES OF WALL (SEE NOTE BELOW).
7. MINIMUM 1/8" (WET) THICKNESS HILTI CP 672 FIRESTOP SPRAY TO COMPLETELY COVER MINERAL
WOOL AND TO OVERLAP A MINIMUM OF 1/2" ONTO GYPSUM AND CONCRETE FLOOR ON BOTH SIDES OF
WALL.
HWD
1068b
1 of 1
9/64" = 1"
Jan. 15, 2010
UL/cUL SYSTEM NO. HW-D-1068
ASSEMBLY RATING = 1-HR. OR 2-HR.
CLASS II MOVEMENT CAPABILITIES - 40% COMPRESSION OR EXTENSION
HWD1068b.011510
TOP OF WALL JOINT : GYPSUM WALL ASSEMBLY
A
A
SECTION A-A
FRONT VIEW
Tulsa, Oklahoma USA (800) 879-8000
1
5
2
4
3
6
7
MAX. 2 1/2"