HomeMy WebLinkAboutPVC-Tub-Drain System No. F-C-2189 CO
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F Rating - 1 Hr
Classified by T Rating - 1 Hr
Underwriters Laboratories,Inc.
to UL 1479
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1A gg
1C
1B 3A
3B
1. Floor-Ceiling Assembly—The fire-rated solid or trussed lumber joist floor-ceiling assembly shall be constructed of the materials and in the
manner specified in individual L500 Series Floor-Ceiling Designs in the UL Fire Resistance Directory.The general construction details of the
floor-ceiling assembly are summarized below:
A. Flooring System—Lumber or plywood subfloor with finish floor of lumber,plywood or Floor Topping Mixture*as specified in the individual
Floor-Ceiling Design. Rectangular cutout in flooring to accommodate the bathtub drain piping(Item 2)to be max 8 by 12 in.(203 by 305 mm).
B.Wood Joists—Nom 10 in. (254 mm)deep(or deeper)lumber,steel or combination lumber and steel joists,trusses or Structural Wood
Members*with bridging as required and with ends firestopped.
C.Gypsum Board*—Nom 4 ft(122 cm)wide by 518 in.(16 mm)thick as specified in the individual Floor-Ceiling Design.Gypsum board
secured to joists as specified in the individual Floor-Ceiling Design.Three pieces of gypsum board,each min 4 in.longer and wider than the
cutout in the flooring,screw attached to bottom of flooring concentric with cutout. In addition, min 112 in. (13 mm)diam by 2 in.(51 mm)high
wavy bead of FS-One Sealant to be applied to the top perimeter of each piece of gypsum board prior to its installation.Diam of opening
hole-sawed through both layers of the gypsum board patch to be 112 in. (13 mm)larger than outside diam of bathtub drain piping(Item 2).
Reproduced by HILTI, Inc.Courtesy of
Underwriters Laboratories, Inc.
January 15
Hilti Firesto ,2015
p Systems Page: 1 of 2
System No. F-C-2189 C
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2. Drain Piping—Nom 2 in.(51 mm)diam(or smaller)Schedule 40 cellular or solid core PVC or ABS pipe and drain fittings cemented together
and provided with PVC or ABS bathtub waste/overflow fitting.
3. Firestop System—The firestop system shall consist of the following:
A. Fill,Void or Cavity Material*—Wrap Strip—Nom 3/16 in. (5 mm)thick by 1 in.(25 mm)wide intumescent wrap strip.One wrap strip is
continuously wrapped around the outer circumference of the drain pipe within joist cavity and held in place with pieces of tape.Wrap strip
slid into annular space of cut-out in gypsum board such that the bottom surface of the wrap strip is flush with the bottom surface of the
gypsum board.
HILTI CONSTRUCTION CHEMICALS, DIV OF HILTI INC—CP648-E W25/1"Wrap Strip
Al. Fill,Void or Cavity Material*—Wrap Strip—(As an alternate to the wrap strip in Item 3A on nom 1-1/2"and 2"(38 and 51 mm)diam
pipes only)-Nom 3/16 in.(5 mm)thick by 1-1/2 or 2 in. (38 or 51 mm)wide intumescent wrap strip.One layer of intumescent wrap strip is
tightly wrapped around the pipe with ends butted and held in place with integrated tape.Wrap strip slid into annular space of cut-out in
gypsum board such that the bottom surface of the wrap strip is flush with the bottom surface of the gypsum board.
HILTI CONSTRUCTION CHEMICALS, DIV OF HILTI INC—CP648-S-1.5"US,CP648-S-2"US
B. Fill,Void or Cavity Material*—Caulk—Min 1/2 in.(13 mm)diam bead of Sealant to be applied around the perimeter of the gypsum
board at its interface with the wood floor.Additional 1/2 in. (13 mm)diam bead to be applied to the bottom of the wrap strip at its interface
with the drain pipe.
HILTI CONSTRUCTION CHEMICALS, DIV OF HILTI INC—FS-One Sealant or FS-ONE MAX Intumescent Sealant
* Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification(such as Canada),
respectively.
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Reproduced by HILTI, Inc.Courtesy of
Underwriters Laboratories, Inc.
Hilti Firesto Systems January 15,2015
p Y ms Page: 2 of 2