System No. WW-D-0067

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First found Nov 13, 2015

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US
Classified by
Underwriters Laboratories, Inc.
to UL 2079 and CAN/ULC-S115
1
2A
2B
the individual U400 or V400 Series Wall or Partition Design in the UL Fire Resistance Directory and shall include the following construction
features:
individual U400 or V400 Series Design in the UL Fire Resistance Directory.
The hourly assembly rating of the joint system is equal to the hourly fire rating of the wall assembly in which it is installed.
12.5 percent compression or extension from its installed width. The joint system shall consist of the following:
min width of 1-3/4 or 3 in. (44 or 76 mm) for 1 and 2 hr rated assemblies, respectively. Pieces of batt installed edge-first into joint opening,
parallel with joint direction, such that batt sections are compressed min 50 percent in thickness and such that the compressed batt sections
are recessed from both surfaces of wall to accommodate the required thickness of fill material.
*Bearing the UL Classification Mark
Reproduced by HILTI, Inc. Courtesy of
Underwriters Laboratories, Inc.
February 06, 2014
WWD 0067
CL
System No. WW-D-0067
ED
C
S IFI
AS

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