Causes of Sewer Gas Smell Inside a House A persistent “sewer gas” or rotten-egg smell inside a home is most often linked to plumbing and drain systems that are failing to keep gases contained. While the odor is unpleasant, it can also signal a ventilation or blockage issue that may require prompt attention. “Sewer gas” typically refers to gases produced in wastewater, including hydrogen sulfide, which can smell like rotten eggs. These gases can enter a house when they bypass the traps and vents designed to keep them out. Dry or broken water seals in plumbing traps Inside most sinks, tubs, and floor drains are P-traps or S-traps that hold a small amount of water. That water acts like a seal, preventing sewer gases from escaping through the drain. If the seal dries out (for example, a rarely used bathroom) or a trap is misinstalled, the odor can appear. Similarly, plumbing leaks under a sink or a loose fitt ... Read more »
Clay vs PVC Sewer Pipe: Which Lasts Longer?
Sewer pipes don’t just have to survive water and waste—they also have to endure soil movement, traffic loads, root intrusion, corrosion, and the stresses of trenching and backfill. So when people ask whether clay or PVC sewer pipe lasts longer, the most honest answer is: both can last a long time, but in different ways.
Below is how durability typically compares, what most influences pipe lifespan, and how to choose a pipe material that fits your system and conditions.
Typical lifespan ranges
Exact service life varies by region, construction standards, and maintenance history, but common industry expectations are:
- Clay sewer pipe: often cited in the range of 50–100+ years in well-supported installations that avoid cracking and chronic infiltration.
- PVC sewer pipe: commonly designed fo ... Read more »

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