Page text

Sheet
Drawing No.
HILTI, Inc.
Date
Scale
NOTES : 1. MAXIMUM AREA OF OPENING = 1152 SQ. IN. WITH A MAXIMUM DIMENSION OF 48".
2. FOR WALLS CONSTRUCTED OF STEEL STUDS LARGER THAN 3-5/8", FIRESTOP BLOCKS
SHOULD BE INSTALLED 8" DEEP. FIRESTOP BLOCKS MAY BE RECESSED MAXIMUM 1/2" FROM
SURFACE OF WALL.
3. APPLY HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT, CP 618 FIRESTOP PUTTY STICK, OR
CP 620 FIRE FOAM, INTO ANY VOID THAT MAY EXIST (AROUND PENETRANTS, INTO
INTERSTICES OF CABLES, OR BETWEEN FIRESTOP BLOCKS), TO MAXIMUM EXTENT POSSIBLE.
4. L-RATINGS APPLY ONLY WHEN HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT IS USED.
5. IF THE ANNULAR SPACE IS GREATER THAN 12", THEN ATTACH A STEEL WIRE MESH
(NOMINAL 1" HEXAGONAL [20 GA. OR HEAVIER] OR NOMINAL 2" SQUARES [NO. 16 SWG]) WITH
1/4" HILTI TOGGLER BOLTS WITH 1-1/2" DIAMETER FENDER WASHERS (SPACED MAXIMUM 8"
C/C) OR ATTACHED TO STEEL STUDS WITH STEEL SCREWS AND 1-7/16" FENDER WASHERS
(SPACED MAXIMUM 6" C/C) ON BOTH SIDES OF WALL OR STEEL WIRE MESH CUT TO FIT
WITHIN 2" OF PENETRANT AND OVERLAP MINIMUM 3" BEYOND THE PERIPHERY OF THE
OPENING. THE JOINTS WITHIN WIRE MESH SHALL OVERLAP A MINIMUM OF 2" AND BE
SECURED TOGETHER BY 16 AWG STEEL WIRE SPACED 8" O.C.
6. CALCIUM SILICATE PIPE INSULATION TO BE SECURED WITH STAINLESS STEEL BANDS OR
WITH 18 AWG STAINLESS STEEL WIRE LOCATED MAXIMUM 6" FROM EACH FACE OF WALL
AND SPACED 12" O.C.
WL
8095b
3 of 3
-
UL/cUL SYSTEM NO. W-L-8095
MULTIPLE PENETRATIONS THROUGH GYPSUM WALL ASSEMBLY
Tulsa, Oklahoma USA (800) 879-8000
ANNULAR SPACE
MINIMUM
MAXIMUM
BETWEEN METALLIC PIPES AND PERIPHERY OF OPENING
0"
26"
BETWEEN METALLIC PIPES
1"
26"
BETWEEN NON-METALLIC PIPES OR RIGID NON-METALLIC CONDUITS
1-1/2"
26"
BETWEEN NON-METALLIC PIPES OR CONDUITS AND PERIPHERY OF
OPENING
1-1/2"
26"
BETWEEN FIBER OPTIC RACEWAY AND OTHER PENETRANTS
3-1/2"
-
BETWEEN FIBER OPTIC RACEWAY AND PERIPHERY OF OPENING
2"
26"
BETWEEN INSULATED PIPES
1-1/2"
-
BETWEEN INSULATED PIPES AND PERIPHERY OF OPENING
1"
-
BETWEEN CABLE BUNDLES
1-1/2"
26"
BETWEEN CABLE BUNDLES AND PERIPHERY OF OPENING
1-13/16"
26"
Dec. 12, 2012
WL8095b.121212
F-RATING = 1-HR. OR 2-HR.
T-RATING = 0-HR.
L-RATING AT AMBIENT = 5 CFM / SQ FT
L-RATING AT 400°F = 2 CFM / SQ FT
NOTE : TESTED TO A 2.5 Pa PRESSURE DIFFERENTIAL