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1. Wall Assembly —
Min 6 in. (152 mm) thick reinforced lightweight or normal weight (100-150 pcf or
1600-2400 kg/m3) concrete wall. Wall may also be constructed of any
UL Classified Concrete Blocks*.
See Concrete
Blocks (CAZT) category in the Fire Resistance Directory for names of
manufacturers.
F Rating is equal to hourly fire rating of wall.
2. Firestop System —
The firestop system shall consist of the following:
A. Firestop Device* —
Threaded steel sleeve device incorporating flat washers secured by threaded
couplers. Device shall be installed in accordance with the accompanying
installation instructions. Device provided in nom 1, 2 and 4 in. (25, 51 and 102
mm) diam sizes. Max diam of opening in wall for nom 1, 2 and 4 in. (25, 51 and
102 mm) diam devices is 1-1/4, 2-7/16 and 4-1/2 in. (32, 62 and 114 mm),
respectively.
UNIQUE FIRE STOP
PRODUCTS INC — Threaded Sleeve
A1. Firestop Device* —
(Not Shown) — As an alternate to the threaded sleeve device in Item 2A, threaded
steel sleeve halves incorporating split nuts and split washers sized to fit the
specific diam of the opening may be used. Device shall be installed in
accordance with the accompanying installation instructions. Device provided in
nom 1, 2 and 4 in. (25, 51 and 102 mm) diam sizes. Max diam of opening in wall
for nom 1, 2 and 4 in. (25, 51 and 102 mm) diam device is 1-1/4, 2-7/16 and
4-1/2 in. (32, 62 and 114 mm),
respectively.
UNIQUE FIRE STOP
PRODUCTS INC — Split Sleeve
B. Firestop Device* —
End Cap – End cap device incorporating an octagonal cover plate with a
threaded coupling provided with an intumescent putty fill. Device provided in
nom 1, 2 and 4 in. (25, 51 and 102 mm) diam sizes for use with nom 1, 2 and 4
in. (25, 51 and 102 mm) diam Threaded Sleeve (Item 2A) or Split-Sleeve (Item
2A1) devices. End cap devices installed on both sides of wall in accordance with
accompanying instructions.
UNIQUE FIRE STOP PRODUCTS
INC — Threaded Endcap
*Bearing the UL Classification Mark |
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