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Sewer odor and cast iron drain (C) Daniel FriedmanCast Iron Drain Piping Under-Floor Leak Diagnosis & Repair Case Study

  • CAST IRON DRAIN LEAK, ODOR, REPAIR - CONTENTS: Cast Iron Drain Pipe Leak & Repair Case - Odors Lead to Discovery of Under-Floor Drain Leaks. Diagnose & repair cast iron drain connection & leak problems. Diagnose sewer gas odors traced to cast iron drain deterioration. Types of leaks occurring in cast iron drain piping. Photos of sewer gas sulphur odor leak discovery, cause. Photos of repairs for leaky sewer line under floor slab.
  • POST a QUESTION or READ FAQs about how sewer odors are traced, and how to diagnose & find leaky buried cast iron drain pipes and how to trace methane odors to a nearby HVAC duct in the floor slabs
  • REFERENCES
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Cast iron drain pipes leak under a basement floor:

This article describes Conrad's experience in tracking down a sewer gas odor that appeared in the building's (transite) heating ducts, finding a leaky sewer pipe under the basement floor, and repairing (or replacing) the in-floor cast iron plumbing drain waste vent piping, piping materials.



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Cast Iron Drain Pipe Leak & Repair Case - Odors Lead to Discovery of Under-Floor Drain Leaks

Sewer odor and cast iron drain (C) Daniel FriedmanThe articles at this website will answer most questions about water supply & drain piping, wells, & water tanks as well as many other building plumbing system inspection or defect topics. Reproduction of this web page electronically at other websites is prohibited.

Leaky Cast Iron Drain Pipes Under a Floor Slab Send Sewer Gases into HVAC Ducts

A reader (Conrad) provided us with the photographs and case history of the successful track-down of sewer gas odors in a building (SEWER GAS ODORS). The case began with a complaint of sewer gas odors in the building's heating duct work system. As you can see from the "before" and "after" photos, this case involved the following combination of circumstances:

Photographs of Finding, Excavating & Diagnosing Transite Duct & Cast Iron Drains Buried Under the Basement Slab

Sewer odor and cast iron drain (C) Daniel Friedman Sewer odor and cast iron drain (C) Daniel Friedman

The photo at below left shows the basement floor slab cut open to permit replacement of the leaky cast iron drain line. At below right our final photograph shows the new white PVC drain piping installed in the floor.

Sewer odor and cast iron drain (C) Daniel Friedman Sewer odor and cast iron drain (C) Daniel Friedman

Photos of Repairs to the Leaky Cast Iron in-Slab Drain Lines

At above right and in more photographs below we show the sewer line break repairs and floor re-tiled kindly sent along by reader Conrad.

Sewer odor and cast iron drain (C) Daniel Friedman Sewer odor and cast iron drain (C) Daniel Friedman

Also see CAST IRON DRAIN PIPING. Other types of building piping systems are discussed at GAS PIPING, VALVES, CONTROLS and at OIL TANK PIPING DEFECTS. or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

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Continue reading at CAST IRON DRAIN PIPING or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

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