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Duluth, MN Underground Utility Contractors

Modern infrastructure relies on skilled underground utility contractors like Contour Inc.. Specializing in trenchless methods, they provide efficient and cost-effective solutions for water and sewer lines throughout Duluth.

Non-Invasive Utility Repair

Duluth Excavation & Utility Services

Pipe Lining

Trenchless pipe lining facilitates the repair and rehabilitation of damaged pipes without extensive excavation. Within a few hours, you have a new pipe that optimizes water flow, eliminates foul odors, and prevents leaks and backups.

Trenchless Sewer Line Replacement

When you need to repair an aging or damaged sewer pipe, trenchless pipe repair is a cost-effective, eco-friendly, and less destructive method to repair or replace your pipe than traditional methods.

Trenchless Water Line Replacement

The process of installing or replacing a trenchless water line is a modern and innovative approach that minimizes the need for extensive excavation and disruption to the surrounding landscape. The team at Contour will carefully and efficiently install or replace your system.

Pipe Bursting

Pipe bursting is a trenchless method used for replacing old or damaged underground pipes with minimal disruption to the surrounding area. By utilizing specialized equipment and techniques, pipe bursting ensures a more efficient and cost-effective solution to address pipeline issues, minimizing inconveniences and environmental impact.

Concrete Services

With a wide range of color, texture, and pattern options available, concrete offers versatility in design and can enhance the overall visual appeal of your Duluth property. We provide expert replacement and installation services for driveways, roadways, patio slabs, sidewalks, and more.

Excavation Services

Kick off your project by choosing a professional, reliable, and experienced team like Contour Inc. Prep your land for your construction project, landscaping project, or fix your yard drainage problem with excavation services from Contour.

What is Pipe Lining?

Pipe lining is a trenchless technology used to rehabilitate aging or damaged piping without the need for extensive excavation. In this method, we insert a flexible epoxy resin liner into the existing pipe to create a new, seamless inner surface. The liner cures, providing structural integrity and preventing further degradation. This trenchless method has gained popularity due to its numerous advantages over conventional methods.

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Trenchless Pipe Lining

Advantages of Trenchless Pipe Lining

  • Cost-effectiveness

    Pipe lining is often more affordable than traditional dig-and-replace methods. It reduces labor and material costs, making it an attractive option for budget-conscious projects.

  • Minimal Disruptions

    Unlike traditional excavation, pipe lining requires minimal digging. This results in less disruption to traffic, landscaping, and daily activities of residents or businesses.

  • Increased Lifespan of Pipes

    The epoxy resin liner enhances the strength of the existing pipe, extending its lifespan significantly. This longevity contributes to long-term savings for property owners.

  • Eco-friendly Solution

    Pipe lining is a green option that reduces new pipe production and carbon emissions from digging and transporting.

Trenchless Water Line Services

Trenchless water line services transformed the way we repair and replace water supply systems. New methods remove the need for digging long trenches, which used to be the usual way to fix water line problems. Let's delve into the world of trenchless water line services and discover the benefits they offer.

Overview of Trenchless Water Line Services

Trenchless water line services fix leaks, corrosion, and blockages in water lines using advanced methods. These services avoid large-scale excavation and minimize disruptions to Duluth, MN properties and communities.

Techniques Used in Trenchless Water Line Repair

  • Pipe Bursting: Pipe bursting is a trenchless technique used to replace old or damaged water lines. A specialized bursting head pulls through the existing pipe, breaking it apart while simultaneously pulling a new pipe into place.
  • Cured-in-Place Pipe (CIPP) Lining: CIPP lining involves inserting a flexible liner coated with resin into the damaged pipe. The liner inflates and cures, adhering to the inner walls of the old pipe, creating a new, smooth surface.
Duluth Trenchless Water Line Repair

Benefits of Trenchless Water Line Services

Faster Repairs

Trenchless water line repair methods are typically quicker than traditional approaches. The reduced construction time leads to faster restoration of water supply.

Save Money

Trenchless methods can be cheaper in the long run because they reduce labor and restoration costs.

Preservation of Landscaping

Trenchless repairs require minimal digging, preserving lawns, gardens, and other landscaping features. This helps maintain the aesthetic appeal of properties.

Trenchless Sewer Line Repair

Sewer lines are an essential part of any urban infrastructure, responsible for carrying wastewater away from Duluth homes and businesses. Over time, these sewer lines can crumble, leading to blockages, leaks, and even structural failures. Trenchless sewer line rehabilitation offers effective solutions for repairing and rehabilitating these critical conduits.

Trenchless sewer line rehabilitation methods include pipe relining and sewer line hydro-jetting, each serving specific purposes in maintaining sewer systems.

Duluth Trenchless Sewer Repair

Pipe Relining for Sewer Lines

Pipe relining, also known as CIPP lining, is an ingenious method to repair old or broken sewer pipes without the need for disruptive trenches. The process involves inserting a flexible liner coated with resin into the existing sewer line. As the liner inflates, the resin adheres to the damaged pipe's interior. Once the resin cures, a new, seamless pipe is formed within the old one, effectively sealing any cracks or leaks.

The benefits of pipe relining are manifold. It eliminates the necessity for extensive excavation, significantly reducing disruption to the surrounding areas. Furthermore, the quick installation process minimizes downtime, allowing for a swift return to normal sewer operations. Moreover, pipe relining enhances the structural integrity of the sewer line, extending its lifespan and lowering the risk of future failures.

Duluth Sewer Line Hydro-Jetting

Sewer Line Hydro-Jetting

Sewer line hydro-jetting is a highly effective cleaning technique designed to tackle clogs and eliminate debris within sewer lines. Through the utilization of high-pressure water, dirt, grease, and blockages are efficiently removed, ensuring clear and unobstructed pipes. Hydro-jetting not only resolves current issues but also serves as a preventive maintenance method to ward off future clogs.

One of the significant advantages of hydro-jetting lies in its non-invasive nature, requiring no chemicals. As an environmentally friendly solution, it promotes sustainability and responsible sewer maintenance practices. By incorporating regular hydro-jetting, sewer lines remain clear, reducing the likelihood of backups and costly repairs. Furthermore, in areas plagued by tree roots, hydro-jetting is an essential practice, effectively removing them without causing harm to the pipes.

The Role of Qualified Underground Utility Contractors

The contribution of qualified and experienced underground utility contractors to the success of trenchless technology and underground utility projects cannot be overstated. Within Duluth, our team of professionals possesses extensive expertise and technical knowledge, ensuring the efficient and high-standard execution of projects.

In the selection process of an underground utility contractor, careful consideration of their certifications, licensing, and track record is imperative. Reputable contractors, such as Contour Inc. Excavation & Utilities, hold prestigious certifications from industry organizations and exhibit a strong commitment to adhering to stringent safety guidelines. Additionally, their comprehensive familiarity with various trenchless methods and a thorough understanding of Duluth regulations and permits underscore their competence and reliability in this field.


Discover What Our Clients Say About Our Services

Our testimonials are a testament to the exceptional service, professionalism, and results we consistently deliver. Take a moment to read through the glowing feedback from our valued clients and get a glimpse into the positive impact we've made in their lives.

Visit our testimonials page today and discover the stories of satisfaction and success that await you. Gain confidence and make an informed decision by hearing directly from those who have experienced the exceptional service we pride ourselves on delivering.

Read More Testimonials

Chet from Contour was super helpful and kind in going over the process of what it would be like to replace our sewer line- he came over and put a camera down our line for no charge, was super timely with our appointment, and chatted us through everything and was always super quick in getting back to me.


One of the best contractor experiences we have had in over 30 years of development projects. Trustworthy and fairly priced.