What Is a Radon Gas Venting System?


Quick Answer

A radon gas venting system is designed to prevent radon gas accumulation by pumping contaminated air out of basements and other low-lying rooms. They typically involve exhaust ducts that extend from the foundation of a house all the way through its roof, designed to draw out and disperse radon gas.

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Full Answer

Radon is a colorless, odorless and tasteless gas that is a byproduct of radioactive decay. It makes its way into homes from deposits deep underground, and is drawn into basements through foundation cracks and other points of entry. In high concentrations, it can contribute to an increased risk of lung cancer when inhaled.

When radon testing reveals increased levels in a home, there are typically two options for mitigation. Sealing the foundation may prevent much of the radon gas from seeping into living areas, but this can be a difficult and expensive process and may not completely solve the problem. A radon gas venting system can reduce concentrations to safe levels by creating a low-pressure pathway to draw the gas up and out of living areas and disperse it into the atmosphere. These systems should be installed by certified professionals and used in conjunction with regular radon testing to ensure that gas concentrations do not return to dangerous levels.

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