Air Duct Lining

2018-05-08T20:51:26+00:00

Common Underground Duct Problems Requiring Air Duct Lining

Leaky underground ducts result in problems that diminish air quality in your home and cause health issues if not properly remedied. Water, sand, dirt or debris, transite piping, reduced airflow, unpleasant odors and harmful gases are some common problems homeowners experience with their underground ductwork.

Water in Ducts

When it comes to problems with underground air ducts, the number one complaint we receive from homeowners is that water has entered their duct system. Water in air ducts causes high humidity which leads to mold growth that can result in health issues. Water also causes your pipes to deteriorate at a faster rate, reduces air flow and causes unpleasant odors throughout your home. It is crucial to first correct any drainage issues before restoring your underground ducts.

Click here to learn about how water enters your underground air ducts and to learn about some common signs to look for that may signal that your home has a drainage problem.

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Sand, Dust or Debris in Ducts

Sand, dust and debris enter your ductwork through deteriorated joints or holes in your pipes. When your HVAC system is turned on, the negative pressure created draws sand and debris into your ducts and distributes them throughout your home. The result is lower air quality and an increased risk of respiratory issues for occupants.

Transite Piping

Many older homes today still contain transite piping in their underground ductwork. These cement pipes have asbestos fibers mixed in them. Undisturbed transite pipe generally doesn’t pose a health risk but over time, deterioration due to moisture or damage releases the carcinogenic asbestos fibers into the air.

Reduced or Stopped Airflow

If you’re experiencing reduced or stopped airflow in your home, it could be due to a number of problems experienced with underground ductwork. Water in ducts, sand, dirt and other debris or collapsed or sagging cardboard sonotube ducts are three common factors that cause reduced airflow in your underground air duct system.

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Smells or Odors

There are several reasons why odors come from underground air ducts. Common sources of odors in ductwork include:

  • Mold

  • Deteriorated ducts exposed to earth

  • Moisture accumulation beneath duct pipes

  • Leaky sewer lines

  • Residual fire or cigarette smoke

  • Decomposing animals

Let Trenchless Innovations perform a thorough evaluation to determine the cause of these odors and provide a solution to your air quality needs.

Radon Gas

Radon is a cancer-causing radioactive gas that, according to the EPA, is the second leading cause of lung cancer in the United States. Because it is found in soil, it lies in close proximity to your underground ductwork. Leaks or holes in your ductwork can allow radon gas from the soil below it to seep into your home. Lining your ducts in conjunction with a radon mitigation system reduces levels to acceptable limits.

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Call us with any questions at 708-758-5070.

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