*T-Rating when penetrant is non-metallic

    Telescoping Sleeves
    • Ideal for flat concrete form decks – cast-in-place
    • Ideal for corrugated metal decks (corrugated deck plate required)
    • Available for ½” to 6” penetrants – piping, conduit, cables, etc.
    • For insulated and non-insulated pipes
    • Telescoping design adjusts from 8” to 12”, in ¼” increments
    • Cut to as short as 2-1/2”
    • Black base and black whiskers identifies metal piping system
    • Red base and red whiskers identifies plastic or metal piping system
    • Includes locator whiskers, to locate buried sleeves and to identify pipe type (metal or plastic)
    • Dimensions on sleeves allows for simple height adjustments
    • Safety caps meet OSHA hole cover requirements
    • UL Listed firestop devices (2 or 3 hour F-ratings)
    • Meets and/or exceeds building code requirements
    • Built in fire, smoke, gas and water protection
    • UL W-Rated seal, water-tight for most penetrants
    • Allows for contraction, expansion, movement and off-center pipes
    • Reduces piping system noise transfer by maintaining annular spacing
    • Interlocking base capability assists with layout alignment
    • Extensions available for slabs over 12”
    • A variety of accessories are available
    • UL 50 Pa Ratings
    Model Numbers


    Model NumberPenetrating Pipe TypeNominal Pipe SizeBox Qty
    HFP-P1Plastic and Metal1/2" - 1"10
    HFP-P2Plastic and Metal1-1/4" - 2"10
    HFP-P3Plastic and Metal2" - 3"10
    HFP-P4Plastic and Metal3" - 4"10
    HFP-P6Plastic and Metal5" - 6"2
    HFP-M1Metal1/2" - 1"10
    HFP-M2Metal1-1/4" - 2"10
    HFP-M3Metal2" - 3"10
    HFP-M4Metal3" - 4"10
    HFP-M6Metal5" - 6"2
    Sleeve Extensions

    Holdrite® HydroFlame™ PRO SERIES Extension Sleeves

    • 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

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