If Radon Pipe Does Not Extend Above Roof Line

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Why must radon be vented into the air above my home s roof.

If radon pipe does not extend above roof line.

Ensure that the slab and or vapor barrier do not cover the vertical opening of the t connector but are sealed around it. In this example even though it does not technically adhere to the epa radon mitigation standards it does adhere to the heart of the safety issue. It happens all the time. Hello the epa radon mitigation standards form 402 r 93 078 states the following.

Even though the radon pipe does not extend above the roof as close to the ridge as possible it discharges the radon gas in a safe way while reducing the vent height by 15 to 20 feet. Supports for radon vent pipes shall be installed at least every 6 feet on horizontal runs. Often the interior pipe is extended through the attic roof without an exhaust fan. It is however a noble gas with no chemical affinity but is easily influenced by air movements and pressure.

Radon gas is approximately 7 5 times heavier than air. Vertical runs shall be secured either above or below the points of penetration through floors ceilings and roofs or at least every 8 feet on runs that do not penetrate floors ceilings or roofs. Install an in line fan. However the interior solid pipe not perforated needs to be extended through the attic and connected to an exhaust fan.

Another important aspect of the radon piping installation is that it must vent 12 above a roof of the building not highest roof or above the peak is required. Install the concrete slab or polyethylene vapor barrier or both over the ground. 1 be above the eave of the roof 2 be ten feet or more above the ground level 3 be ten feet or more. Run the pipe up through the interior of the house and through the roof.

Install the vertical pipe. The problem is that the vent terminates about 2 3rds of the way up whereas my understanding is that according to epa code it should extend at least a couple feet above the roof line to prevent re entry of radon gas into the home. The system vents through the basement and then upwards in a pvc pipe on the side of the house. Also the pipe must be at least 10 feet from any windows or skylights that can be opened this can be disregarded if the pipe is 2 above the opening.

The vent exhaust needs to be 12 inches above any roof area. If tests show radon has decreased then we never install the exhaust fan. Utilize a varmint guard to keep debris out of the fan. In a house with forced air heating and cooling radon gas can easily be distributed throughout the entire dwelling.

The critter and the fan rarely survives. The pipe must vent above the roof and be at least 10 from the ground the vent pipe must be 10 from windows unless 2 inches above a window.

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