Tub Boxes
    HFPTB-TW-0200 & HFPTB-NP-0200

    Rubber Donut

    Tub Box
    Extension Kit

    *T-Rating when penetrant is non-metallic

    Tub Box
    • UL Listed firestop device for bathtub drains
    • 3 hour F-Rating
    • Built-in fire, smoke and gas protection
    • Provides a water tight slab penetration
    • Accepts 1-1/2” PVC, ABS, and brass drain pipes using appropriate seal plug (provided with HFPTB-TW-0200)
    • Allows for expansion, contraction and movement
    • UL W-Rated water seal
    • Built at 10 ¾” tall
    • Height can be modified in the field
    Model Numbers

    Holdrite Hydroflame Pro Series Tub Box

    Model NumberPenetrating Pipe TypeNominal Pipe SizeBox Qty
    HFPTB-TW-02001-1/2" Thin Wall Drain1-1/2” O.D. 5
    HFPTB-NP-02001-1/2" Nominal Pipe Size Drain1-1/2” IPS 5
    HFPTB-1.5NPPlastic and Metal1-1/2” IPS 10
    Sleeve Extensions


    • Extends the height of HOLDRITE HydroFlame Pro Series sleeves by as much as 4 3/4” in 1/4” increments
    • No coupling needed for connection to sleeves
    • Ideal for use on concrete pours over 12”
    • Available for all HOLDRITE HydroFlame Pro Series sleeve sizes
    • Connects to safety caps, water dams, water modules and underside of sleeves
    Model NumberFits Firestop SleevesFits Hollow SleevesNominal Pipe SizeBox Qty
    HFPE1#1 Firestop Sleeves#2 Hollow Sleeves1/4" - 1-1/4"5
    HFPE2#2 Firestop Sleeves#3 Hollow Sleeves1" - 2"10
    HFPE3#3 Firestop Sleeves#4 Hollow Sleeves1-1/4" - 3"10
    HFPE4#4 Firestop Sleeves#5 Hollow Sleeves2-1/2" - 4"10
    HFPE6#6 Firestop Sleeves#7 Hollow Sleeves4" - 6"2
    Corrugated Metal Deck Plates

    Corrugated Metal Deck PlatesCorrugated Metal Deck Plates

    • For use with concrete pours over corrugated metal decks
    • Assembles directly to HOLDRITE HydroFlame Pro Series Firestop Sleeves
    • Sizes available for 1”, 2”, 3”, 4”, and 6” sleeves
    • Superior strength and stability
    • One-piece metal deck solution

    *Must be ordered with HydroFlame Pro Series Sleeves

    NOTE:  Use of a CD Plate must be accompanied with use of an outer sleeve or sleeve extension

    Model NumberPenetrating Pipe TypeUsed With Nominal Pipe SizeBox Qty
    HFPCD1Plastic and MetalHFP-P/M1, HFP-P/M1B, HFP-H2, HFP-H2B1/4" - 1-1/4"10
    HFPCD2Plastic and MetalHFP-P/M2, HFP-P/M2B, HFP-H3, HFP-H3B1" - 2"10
    HFPCD3Plastic and MetalHFP-P/M3, HFP-P/M3B, HFP-H4, HFP-H4B1-1/4" - 3"10
    HFPCD4Plastic and MetalHFP-P/M4, HFP-P/M4B, HFP-H5, HFP-H5B2-1/2" - 4"10
    HFPCD6MetalHFP-P/M6, HFP-P/M6B, HFP-H7, HFP-H7B4" - 6"10
    HFPCD6-DCPlastic and MetalHFP-P/M6, HFP-P/M6B, HFP-H7, HFP-H7B4" - 6"2
    Tub Box Extension Kits

    • Extension kit for Hydroflame Tub Boxes adds 5-1/4″ to the length
    • Standard tub box assembled height is 10-3/4″
    • Kit can be cut shorter, or sleeve extensions #HFPE2 can be added to make the tub box taller
    • Used with all Hydroflame Tub Boxes
    Model NumberPenetrating Pipe Type
    HFPTB-EXTPlastic and Metal

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