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Hilti Firestop Systems
Sheet
Drawing No.
HILTI, Inc.
Date
Scale
Saving Lives through Innovation and Education
WL
7155f
1 of 2
5/64" = 1"
Jan. 30, 2018
UL/cUL SYSTEM NO. W-L-7155
F-RATING = 1-HR. OR 2-HR.
T-RATING = 0-HR.
L-RATING AT AMBIENT = LESS THAN 1 CFM / SQ FT
L-RATING AT 400°F = LESS THAN 1 CFM / SQ FT
WL7155f.013018
SHEET METAL DUCT THROUGH GYPSUM WALL ASSEMBLY
A
SECTION A-A
FRONT VIEW
Plano, Texas USA (800) 879-8000
A
MAX. 6" C/C SPACING
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