Marathon Roofing Products Inc.
Marathon Roofing Products Inc.
Roof Drains, Vents, Accessories and Pedestal Supports
3310 Benzing Rd.
Orchard Park, NY 14127-1538
Toll Free: 800-828-8424
Phone: 716-332-7673
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Marathon Roofing Products Inc. > PRODUCT > Aluminum Fast Flow

Efficient and Economical the Fast Flow can be utilized as both a retro-fit and direct connect drain. The Fast Flow is made up of a heavy gauge spun aluminum body, ABS clamping ring (standard), polyethylene strainer (standard) and expanding tape to prevent water back-up issues.


  • Quick and easy to install
  • Heavy gauge aluminum body
  • New clamping ring style for single-ply systems
  • Bolt in place polyethylene strainer
  • Expanding tape to prevent water back-up issues


  • Aluminum strainer
  • 2-3/4" low profile aluminum strainer
  • Cast iron strainer
  • Aluminum clamping ring
  • Metal clamping ring
  • TPO coated flange
  • PVC coated flange
  • Available is sizes of 2", 3", 4", 5", 6" and 8" (available in non-standard sizes)
  • Can also be installed as a direct connect drain

Retrofit Drains Product Brochure

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