HomeMy WebLinkAboutC-AJ-1277.pdfSystem No. C-AJ-1277
SECTION A-A
CAJ 1277
1. Floor or Wall Assembly — Min 4-1/2 in. (114 mm) thick reinforced lightweight or normal weight (100-150 pcf or 1600-2400 kg/m3) concrete. Wall
may also be constructed of any UL Classified Concrete Blocks*. Max diam of opening is 4 in. (102 mm).
See Concrete Blocks (CAZT) category in the Fire Resistance Directory for names of manufacturers.
2. Through Penetrants — One metallic pipe, conduit or tubing to be installed either concentrically or eccentrically within the firestop system. The
annular space shall be min 0 in. (point contact) to max 1-13/16 in. (46 mm). Pipe or conduit to be rigidly supported on both sides of floor or wall
assembly. The following types and sizes of metallic pipes or conduits may be used:
A. Steel Pipe — Nom 2 in. (51 mm) diam (or smaller) Schedule 40 (or heavier) steel pipe.
B. Iron Pipe — Nom 2 in. (51 mm) diam (or smaller) cast or ductile iron pipe.
C. Conduit — Nom 2 in. (51 mm) diam (or smaller) steel electrical metallic tubing or steel conduit.
3. Firestop System — The firestop system shall consist of the following:
A. Packing or Forming Materials — One of the following packing or forming materials may be used:
A1. Foam Backer Rod — Tightly packed into the opening as a permanent form. Packing material to be recessed from the top surface of floor or
both surfaces of wall as required to accommodate the required thickness of putty.
A2. Mineral Wool Batt Insulation — Min 4 pcf (64 kg/m3), tightly packed into the opening as a permanent form. Packing material to be recessed
from the top surface of floor or both surfaces of wall as required to accommodate the required thickness of putty.
A3. Forming Materials* — Forming material to be foamed into the opening as a permanent form. Forming material to be recessed from the top
surface of floor or both surfaces of wall as required to accommodate the required thickness of putty.
HILTI CONSTRUCTION CHEMICALS, DIV OF HILTI INC — CF812 or CF-AS CJP Foam Sealant
B. Fill, Void or Cavity Material* — Putty — Min 3/4 in. (19 mm) thickness of putty applied within the annulus, flush with top surface of floor or
with both surfaces of wall. At the point contact location between pipe and concrete, a min 1/4 in. (6 mm) diam bead of fill material shall be
applied at the concrete/pipe interface on the top surface of floor and on both surfaces of wall.
HILTI CONSTRUCTION CHEMICALS, DIV OF HILTI INC — CP 618 Firestop Putty Stick
*Bearing the UL Classification Mark
A
Reproduced by HILTI, Inc. Courtesy of
Underwriters Laboratories, Inc.
April 20, 2012
A
3B
2
1
3A
3B
2
C C
L
A
S
S
I
F
I
E
D
Classified by
Underwriters Laboratories, Inc.
to UL 1479 and CAN/ULC-S115
US ANSI/UL1479 (ASTM E814) CAN/ULC S115
F Rating — 3 Hr F Rating — 3 Hr
T Rating — 1/2 Hr FT Rating — 1/2 Hr
FH Rating — 3 Hr
FTH Rating — 1/2 Hr
11/12/14