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DuroMaxx® Stormwater Detention and Infiltration

DuroMaxx steel-reinforced polyethylene (SRPE) pipe combines steel and polyethylene (PE) to make an exceptionally strong and durable pipe for stormwater detention and infiltration applications. DuroMaxx is unique as it has fewer joints to assemble on site, can be made watertight, and can be used in applications with corrosive soils.

DuroMaxx for Combined Sewer Overflow

DuroMaxx can provide storage for combined sewer overflow (CSO) via underground storage tanks. DuroMaxx vessels are both durable and water tight, providing a cost-effective way to handle this critical problem. With diameters of up to 120" and flexible design configurations combined with its watertight joints, DuroMaxx is an ideal solution for CSO storage.

DuroMaxx for Stormwater Infiltration

Perforated DuroMaxx infiltration systems store stormwater runoff in the pipe and surrounding stone during a storm until it can be released slowly into the surrounding native soil. Perforated CMP is often used to meet Low Impact Development requirements.

DuroMaxx for Stormwater Detention

DuroMaxx stormwater detention systems store stormwater runoff exceeding a site’s allowable discharge rate and release it slowly over time. Installed below grade, stormwater detention systems maximize land usage and help meet water quantity requirements.

Technical information for this product is centrally located in the technical guides section.

View Technical Information

DuroMaxx SRPE Pipe for Stormwater Detention and Infiltration

Eighty (80) ksi steel reinforcing (SR) provides the strength; pressure rated polyethylene (PE) resin provides the durability. The combination of materials results in an extraordinarily strong and durable pipe that sets a new industry standard for stormwater detention and infiltration applications.

DuroMaxx provides the lightweight, durability of traditional HDPE with the added structural strength of steel, making it the perfect choice for deep burial and corrosive soil applications.

DuroMaxx detention and infiltration systems can be designed with gasketed bell and spigot joints or welded coupler joints for increased water tight reliability. DuroMaxx is available in diameters ranging from 30 to 120 inches and in lengths up to 48 feet. Larger diameter pipe provides increased storage volume in a smaller footprint, while long pipe lengths reduce the number of sections to be set and joints to assemble.

DuroMaxx Features - Benefits

  • Twice as stiff as traditional HDPE pipe- requires less structural backfill.
  • Corrosion resistant HDPE - can be used in applications with corrosive soils.
  • Several joint configurations - welded coupler (WC), 10.8 psi high performance (HP) bell and spigot and soil tight (ST) joints available.
  • Up to 48 foot pipe lengths - fewer joints to assemble on site, resulting in faster installation rates.
  • Lightweight - easily handled and quickly installed.

The Contech Advantage


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Agency/Regulatory Guidance

Our team is ready to provide you with expert advice and assistance on local regulatory requirements, resulting in faster approvals.

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Solution Development

Our engineers can review your requirements, weigh all options, and recommend the optimal solution to integrate with your site designs.

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Technical Expertise

Our engineers assist by providing product specific engineering calculations such as hydraulics, buoyancy, foundation reactions, and unit sizing.

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Cost Estimates

We can quickly provide engineer’s cost
estimates to assist with your solution
selection process.

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Site Specific Drawings

Our engineers can provide site-specific drawings for proposals, project meetings, and submittals, helping you be more efficient with your time.

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On-site Assistance

Contractors know time is money, so we provide preconstruction meetings, delivery coordination, and on-site installation support to ensure a timely, smooth installation.