How Pipe Material Affects What You See on Camera

Sewer camera inspections are a smart, non-invasive way to understand the condition of underground pipes. But what many property owners don’t realize is that the material of the pipe itself plays a big role in what the camera actually reveals. Whether you’re dealing with older clay, corroded cast iron, or newer PVC, each material reflects problems in different ways—and each comes with its own visibility challenges. Luckily, our sewer camera inspection services in Atlanta, GA can provide reliable insight to your pipe’s condition.

PVC Pipes: Clear Views with Fewer Surprises

PVC is the most camera-friendly pipe material. Its smooth, light-colored interior reflects light well, allowing the camera to capture crisp, unobstructed video. Damage to PVC—such as cracks from shifting soil, invasive tree roots, or poor installation—is typically easy to identify during a pipe camera inspection. Since PVC isn’t susceptible to internal corrosion or heavy mineral deposits, what the camera sees is usually accurate. If the footage appears clean, there’s a good chance the system is in solid shape.

Cast Iron Pipes: A Rough Ride with Corrosion Clues

Cast iron pipes, especially those installed before the 1970s, often present challenges during sewer video inspection. The inner walls tend to be rough, pitted, and darkened due to decades of oxidation. These characteristics can limit visibility and make it harder for the camera to detect smaller issues. However, certain signs—like rust flaking, scale buildup, and narrowing passageways—are clear indicators of corrosion and age-related wear.

While major cracks and collapses are still visible during plumbing inspection, some minor leaks or early-stage problems can go undetected unless viewed closely or confirmed with follow-up diagnostics.

Clay Pipes: Breaks, Roots, and Joint Gaps

Clay was once a go-to material for sewer lines, especially before PVC gained popularity. These pipes typically come in short segments connected by joints, which over time can shift, settle, or become misaligned. During a drain inspection, these joints are often focal points where root intrusion occurs. Cracks, separations, and complete breaks in the line are usually easy to spot. However, sediment accumulation or uneven sections may require a trained eye to interpret accurately, especially if multiple issues are present.

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