STI Ready® Firestop Grommet

Eliminate Sleeves, Sealant, And Putty With This Firestop Grommet


What's special about this grommet?

  • Used for single-cable penetrations instead of putty, sleeves, or foam, with no mess to clean up.
  • Made with Ultem® premium, plenum-grade material for exceptional flame and heat resistance.
  • Can be used with existing cables that are already in the wall, for a quick and easy retrofit.
  • Click for More Features
  • UL Classified

Do you have one low voltage cable going through a wall that you want to protect from fire or smoke? The Firestop Grommet is the item you need. Installation is quick and eas,y with just one snap and no messy foams or putties to clean up.

Part # Length Installed Depth Required Opening Color Quantity / Pack Price
STI-RFG1 1-5/8" 1-9/16" 1-9/16" Red 1 Blister Pack (10 Grommets per blister pack)
Quick Ship
  • 2-piece, snap-together design makes for quick installation
  • A soft inner core conforms to the cable for a smoke-sealed and firestopped application.
  • Installation is a breeze: just drill a hole, run your cable, snap the grommet around the cable, then press it into the wall.
  • For use in gypsum board or drywall construction, with low voltage cables that have an OD of up to 0.27 inches (7 mm).
  • Tested to meet the exacting criteria of ASTM E814 (UL1479) and CAN/ULC S115

  • STI Ready® Firestop Grommet MSDS (PDF) PDF

    Part # STI-RFG1
    Color Red
    Weight 0.01 lbs (5g)
    Shelf Life N/A
    Plenum Grade Yes
    V.O.C. Content N/A
    Leakage Rating Less Than 1 CFM (ANSI/UL1479)
    In-Service Temp <130° F (54° C)


    Related Articles


    How-To Corner


    Request A Quote

    Did you know that we can give you a quote for most of our products, including shipping?

    You can also call us toll free 1-833-3CABLEORG (1-833-322-2536)

    Questions & Answers


    Will this hold 2 Cat6 network cables.

    Asked by Anonymous user on 02.30 PM Monday, 26 February, 2018

    • - Hello, Yes these will work well

      Anonymous user on 01.44 PM Tuesday, 06 March, 2018

    Do you have any questions about this product?
    Let our experts and customers resolve all your doubts