HomeMy WebLinkAboutAssembly HW D 0157.pdfSystem No. HW-D-0157
F Rating - 4 Hr
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FT Rating - 4 Hr
FH Rating - 4 Hr
FTH Rating - 4 Hr
L Rating At Ambient -Less Than 1 CFM/Lin ft
L Rating At 400 F -Less Than 1 CFM/Lin ft
Nominal Joint Width - 2 in.
Class II Movement Capabilities -12.5% Compression or Extension
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1. Floor Assembly-Min 5-1/2 in. (140 mm) thick steel reinforced lightweight or normal weight (100-150 pcf or 1600-2400 kg/m3)
structural concrete.
2. Wall Assembly-Min 6 in. (152 mm) thick reinforced lightweight or normal weight (100-150 pcf or 1600-2400 kg/m3) structural
concrete. 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.
3. Joint System -Max width of joint (at time of installation of joint system) is 2 in. (51 mm). The joint system is designed
to accommodate a max 12.5 percent compression or extension from its installed width. The joint system shall consist of
forming and fill materials, as follows:
A. Forming Material* -Min 4 pcf (64 kg/m3) mineral wool batt insulation installed in joint opening as a permanent form. Pieces
of batt cut to min width of 5 in. (127 mm) and installed vertically, edge-first into joint opening, such that batt sections are
compressed min 50 percent in thickness and such that the compressed batt sections are recessed from each surface of the
wall to accommodate the required thickness of fill material. Adjoining lengths of batt to be tightly butted with butted seams
spaced min 16 in. (406 mm) apart along the length of the joint.
llG MINWOOL LL C -MinWool-1200 Sating
ROCK WOOL MANUFACTURING CO -Delta Board
ROCKWOOL MALAYSIA SON BHD -SAFE
ROXUL INC -SAFE
THERMAFIBER INC -Type SAF
B. Fill, Void or Cavity Material* -Sealant-Min 1/2 in. (13 mm) thickness of fill material applied within the joint on each side
of wall, flush with wall surfaces.
SPECIFIED TECHNOLOGIES INC -Pensil 300 Sealant or SpecSeal Series SIL300 Sealant
*Bearing the UL Classification Mark
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STI
Specified Technologies Inc. 210 Evans Way Somerville, NJ 08876
Reproduced courtesy of Underwriters Laboratories, Inc.
Created or Revised: January 11, 2013
(800)992-1180 • (908)526-8000 •FAX (908)231-8415 • E-Mail:techserv@stifirestop.com • Website:www.stifirestop.com @HW-D-0157
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