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Sheet
Drawing No.
HILTI, Inc.
Tulsa, Oklahoma USA (800) 879-8000
Date
Scale
NOTES : 1. MAXIMUM DIAMETER OF OPENING = 8-5/8".
2. ANNULAR SPACE = MINIMUM 1/2", MAXIMUM 1-1/2".
1. GYPSUM WALL ASSEMBLY (UL/cUL CLASSIFIED U300 OR U400 SERIES) (1-HR. FIRE-RATING).
2. [NOT SHOWN] WOOD STUDS TO CONSIST OF NOMINAL 2" x 4" LUMBER. STEEL STUDS TO BE
MINIMUM 2-1/2" WIDE.
3. MAXIMUM 8" NOMINAL DIAMETER STEEL PIPE SLEEVE (SCHEDULE 40 OR HEAVIER).
4. MAXIMUM 6" DIAMETER SHEET METAL DUCT (MINIMUM 28 GAUGE).
5. HILTI CF-AS CJP OR CF 812 FILLER FOAM RECESSED TO ACCOMMODATE FIRESTOP SEALANT.
6. MINIMUM 5/8" DEPTH HILTI FS-ONE INTUMESCENT FIRESTOP SEALANT.
WL
7017d
1 of 1
11/64" = 1"
May 01, 2012
UL/cUL SYSTEM NO. W-L-7017
F-RATING = 1-HR.
T-RATING = 0-HR.
WL7017d.050112
METAL DUCT (WITHOUT DAMPER) THROUGH GYPSUM WALL ASSEMBLY
A
A
SECTION A-A
FRONT VIEW
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