Marathon Roofing Products

The Marathon 8″ ProMaxx Aluminator Roof Drain BALUM8CRPM is an all-aluminum retrofit drain designed for high-capacity installations. It features a ProMaxx rubber seal to prevent backflow, a heavy duty spun aluminum body, and a robust three-bolt 10″ strainer that stands 6″ tall. The drain includes a 16″ flange and 12″ outlet, with scalloped cast aluminum ring and leak-preventing features, built for durability and maximum drainage performance. Key Features: 8-inch outlet size (BALUM8CRPM) with...

The Marathon Aluminator Retrofit Roof Drain series (BALUM3CRP, BALUM4CRP, BALUM5CRP, BALUM6CRP) delivers an all-aluminum solution for secure and efficient retrofit drainage. Constructed from heavy gauge spun aluminum, each drain includes a ProSeal rubber mechanical seal, a cast aluminum clamping ring, and a 10-inch aluminum strainer. With a 16-inch flange and 12-inch outlet, the Aluminator series ensures durability and consistent performance across all sizes. Key Features: All-aluminum...

Marathon Straight Rubber Couplings are flexible black PVC joiners designed to connect same-size pipe systems ranging from 2″ to 6″. Each coupling includes stainless steel clamps for a secure, leak-proof connection and is resistant to UV rays, chemicals, sewer gases, soil, and fungus. These couplings are versatile, easy to install, and suited for roof drains, waste systems, vent piping, and general plumbing repairs. Key Features: Available in 2″, 3″, 4″, 5″, and 6″ models (SKUs BC1-2415,...

The Marathon Aluminator Pro Retrofit Roof Drain series (BALUM2CRPRO through BALUM6CRPRO) delivers heavy gauge spun aluminum construction with upgraded coated components. Each drain includes a coated 10″ aluminum clamping ring, coated 10″ aluminum Pro Dome security strainer, and ProSeal rubber mechanical seal. With a 16″ flange and 12″ outlet, the Pro series ensures strength, easy installation, and dependable water flow performance across sizes 2″ to 6″. Seal dimensions and flow rates are...

The Marathon Aluminum Gutter Drain retrofit series (BGUTTERALB variants) is designed for tight roof conditions such as gutters or corners where removal of existing drains is difficult. Constructed with a heavy gauge spun aluminum body, each drain includes options for ProSeal mechanical seal or tape seal, and choices between stainless steel snap-on flat grates or 5″ aluminum strainers. All models come with an 8″ × 8″ flange and a 12″ outlet, and are available in 3″ and 4″ sizes. Key Features:...

The Marathon Economy Aluminum Roof Drain series (BFF175ECO through BFF575ECO) offers a cost-effective retrofit solution with a heavy gauge spun aluminum body and a simple bolt-down aluminum strainer. Designed without a clamping ring or seal, this series is intended for installations where basic drainage functionality is sufficient. All models include a 16-inch flange and 12-inch outlet, and are available in sizes 2″ through 6″. Key Features: Available in 2″, 3″, 4″, 5″, and 6″ sizes (SKUs...

The Marathon Extended Aluminator Roof Drain series (BALUM2CRXL through BALUM6CRPXL) is a heavy gauge spun aluminum retrofit drain designed for extended outlet applications. It features a 22-inch drain outlet (plus approximately 2-inch protrusion with seal), a cast aluminum ring and strainer, and standard ProSeal mechanical seal to prevent backflow. Offered in sizes from 2″ to 6″, this drain includes options for PVC or TPO coated flange and delivers high flow performance under a peak water head...

The Marathon Fast Pak Cast Iron Roof Drain (BS-1110FP for 3″, BS-1120FP for 4″) is a direct-connect roof drain made of cast iron, designed for easy installation directly from the roof deck without needing an under-deck clamp. It features a galvanized 18″×18″ extension/bearing flange, a molded polyethylene strainer bolted to a 10″ epoxy-coated aluminum clamping ring, and a flexible rubber expansion coupling. Ideal for use with steel, wood, concrete, or gypsum roof decks under single-ply or...

The Marathon Fast Pak PVC Roof Drain series (BS-1072FP, BS-1070FP, BS-1080FP) is designed for new installation or direct-connect scenarios and allows fast installation from the roof deck without an under-deck clamp. These drains include an injection-molded, UV-stabilized PVC body, a large 18″×18″ galvanized extension/bearing flange, epoxy-coated aluminum clamping ring, and molded polyethylene strainer. Available in 2-inch, 3-inch, and 4-inch outlet sizes, the Fast Pak PVC series adapts to...

The Marathon Poseidon SS Retrofit Roof Drains CI series (BSS3CI, BSS4CI, BSS5CI, BSS6CI) combine a stainless steel drain body with a cast iron ring and dome for maximum strength and durability. Designed for retrofit use, these drains feature a 17-gauge Type 304 stainless steel body, heavy cast iron ring and dome, and are supplied with a ProSeal rubber or tape seal. With a standard 16-inch flange and 12-inch outlet across all sizes, this series is built to deliver reliable performance in even...

The Marathon Poseidon SS Retrofit Roof Drain series (BSS3P, BSS4P, BSS5P, BSS6P) offers all-stainless steel construction suited for retrofit installations in demanding environments. Each model features a 16-gauge Type 304 stainless steel body, a #316 stainless clamping ring and strainer, and comes with a ProSeal rubber seal to help prevent backup. Standard across all sizes are a 16-inch diameter flange and a 12-inch outlet, with optional coatings and hardware to match diverse application...

The Marathon RD-940 Downspout Nozzle is a durable, corrosion-resistant termination fitting made of cast nickel bronze. It is engineered with an anchor flange and countersunk mounting holes for secure installation. Available in sizes 2″ through 12″, the nozzle comes with multiple connection types — IPS threaded, no hub, or push-on — to match various drainage conditions. Options include a stainless steel bird screen for added protection. This combination of robust material and versatile design...

The Marathon Uniboot is a watertight, maintenance-free seal for roof penetrations, eliminating the need for pitch pans. It features a durable EPDM cap mechanically sealed to a spun aluminum base and secured with stainless steel clamps. The UniBoot accommodates pipes from ¼″ up to 7″ in diameter, standing 9-3/4″ tall, with a large flange to securely flash around penetrations. Key Features: EPDM cap designed for maximum resistance to weathering, ozone, UV, hot and cold temperatures Mechanically...

The Marathon MC Vent (BV-10156 for One Way, BV-10157 for Two Way) is a medium-capacity aluminum roof vent designed to provide pressure equalization while shielding against wind-blown rain or snow. Spun from heavy gauge aluminum, it features a security cap and an optional foam insert to minimize condensation. With a wide 12-inch flange and a base opening of 6-1/2″, this vent offers reliable performance in roof ventilation applications. Key Features: One-way (BV-10156) or two-way (BV-10157)...

The Marathon Aluminum Fast Flow Roof Drain series (BFF200, BFF300, BFF400) is designed for both retrofit and new direct-connect installations. Each model features a heavy-gauge spun aluminum body, a 16-inch flange, and a 12-inch outlet. Depending on the version, drains are supplied with a 10-inch polyethylene strainer with clamping ring or an 8-inch polyethylene strainer without a ring. Options include PVC- or TPO-coated flanges and a rubber coupling for secure pipe connection. Key Features:...

The Marathon Aluminum Fast Flow Roof Drain with Clamping Ring series (BFF200CR, BFF300CR, BFF400CR) is designed for retrofit and new roofing applications. Each model features a heavy-duty spun aluminum body, a 16-inch flange, and a 12-inch outlet. The clamping ring version includes a 10-inch polyethylene strainer, ABS clamping ring, and expanding tape anti-backup seal for watertight connections. Available in 2-inch, 3-inch, and 4-inch outlet sizes, these drains provide durability and...

The Marathon Aluminum Fast Flow Roof Drain with Clamping Ring & Expanding Tape Seal series (BFF200-SCR, BFF300-SCR, BFF400-SCR) combines the durability of spun aluminum with the security of an ABS clamping ring and expanding tape seal. Designed for retrofit and direct-connect installations, these drains feature a 16-inch flange, 12-inch outlet, and a 10-inch polyethylene strainer. The expanding tape anti-backup seal ensures watertight performance, making these drains ideal for single-ply...

The Marathon FF275-SCR Aluminum Fast Flow Roof Drain is designed for secure retrofit installations. Constructed with a heavy-gauge spun aluminum body, this model includes an ABS clamping ring, foam tape seal, and a 10-inch polyethylene strainer for reliable drainage. Featuring a 16-inch flange and 12-inch outlet, the FF275-SCR provides watertight performance and long service life for demanding roofing systems. Key Features: SKU FF275-SCR, Aluminum Fast Flow Drain with clamping ring and foam...

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...

The Marathon FF575-SCR Aluminum Fast Flow Roof Drain is built for single-ply roofing systems and retrofit applications. Featuring a heavy-gauge spun aluminum body, this drain includes a new clamping ring style, expanding foam tape seal, and a bolt-in 10-inch polyethylene strainer with poly dome included. With a 16-inch flange, 12-inch outlet, and 6-inch outlet size, the FF575-SCR ensures watertight performance and long-lasting durability. Key Features: Quick and easy to install with expanding...

The Marathon Copper-Tite BCTS29 is a 2-inch retrofit roof drain built with a copper body and an expanding anti-backup tape seal to prevent water backflow. It comes standard with a 10-inch ABS clamping ring and 10-inch polyethylene strainer, and is available with either a 14-inch small flange or 18-inch large flange to suit project requirements. The 9-inch outlet length supports secure integration into existing piping for dependable, watertight performance. Key Features: Copper body retrofit...

The Marathon BCTS39 Copper-Tite is a 3-inch retrofit roof drain built with a heavy copper body and an anti-backup expanding tape seal. This drain provides reliable watertight performance by locking into the existing pipe without disturbing the roof system. It comes standard with a 10-inch polyethylene strainer and ABS clamping ring, and is available with either a 14-inch small flange or an 18-inch large flange. With a 9-inch outlet length, the BCTS39 is a durable, retrofit-friendly solution...

The Marathon BCTS49 Copper-Tite is a 4-inch retrofit roof drain with a copper body and factory-applied expanding anti-backup tape seal. This drain fits tightly into existing pipes and comes with a standard ABS 10-inch clamping ring and a 10-inch polyethylene strainer. Available with either a 14-inch small flange or 18-inch large flange, the BCTS49 provides a durable, watertight retrofit solution with a 9-inch outlet length. Key Features: 4″ outlet size (BCTS49) with anti-backup expanding tape...

The Marathon BCTS59 Copper-Tite is a 5-inch retrofit roof drain featuring a copper body and a factory-applied expanding anti-backup tape seal. It comes with a 10-inch polyethylene strainer and a 10-inch ABS clamping ring. Available in large flange size, and built with a 9-inch outlet length, the BCTS59 provides a reliable watertight solution for retrofits without disturbing the existing roof system. Key Features: 5-inch outlet size with retrofitted anti-backup tape seal Copper body for...