Choice of Poly (Included) or Cast Iron Strainer / Plain or Coated Flange

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Price: $283.00
    Item #305-BFF375-SCR
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    Description

    The Marathon FF375-SCR Aluminum Fast Flow Roof Drain is designed specifically for single-ply roofing systems. It features a heavy-gauge spun aluminum body, a new clamping ring style, and an expanding tape seal to prevent water backup. Each drain includes a poly dome and a bolt-in 10-inch polyethylene strainer. With a 16-inch flange, 12-inch outlet, and a 4-inch outlet size, the FF375-SCR offers a durable, watertight solution for roof drainage.

    Key Features:

    • Quick and easy to install with expanding tape seal
    • Heavy-gauge aluminum drain body for durability
    • New clamping ring style optimized for single-ply membranes
    • Bolt-in polyethylene strainer with included poly dome
    • Expanding tape prevents water backup issues

    Specifications

    • Model: FF375-SCR
    • Fits existing drain pipe size: 2-7/8″ – 3-1/4″
    • Outlet outside diameter: 2-3/4″
    • Body: Heavy gauge spun aluminum
    • Flange: 16″
    • Outlet length: 12″
    • Clamping ring: 10″ ABS
    • Strainer: 10″ polyethylene
    • Strainer style: Bolt-in with poly dome included
    • Packaging: 2–4 per carton

    How To

    • Prepare the roof opening and ensure the drain pipe sleeve is clean.
    • Position the FF375-SCR so the 16-inch flange sits flat over the single-ply membrane.
    • Place the expanding tape seal around the sleeve to prevent water backflow.
    • Secure the ABS clamping ring to hold the membrane firmly in place.
    • Bolt in the 10-inch polyethylene strainer and install the included poly dome.
    • Flash the flange per the roofing system manufacturer’s instructions.

    FAQs

    Q: What is included with the FF375-SCR?
    A: The drain comes with a 10-inch bolt-in polyethylene strainer, poly dome, clamping ring, and expanding tape seal.

    Q: What pipe sizes does this drain fit?
    A: It fits existing drain pipes sized 2-7/8″ to 3-1/4″.

    Q: What is the outlet outside diameter?
    A: The outlet outside diameter is 2-3/4″.

    Q: Is this designed for single-ply systems?
    A: Yes, it includes a new clamping ring style specifically for single-ply membranes.

    Q: How is packaging supplied?
    A: Drains are packaged 2–4 units per carton.

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