Radon Mediation System Installation

Radon remediation can involve solutions that are installed within or outside of the building being treated. Both methods work using the same principle of operation – prevention of radon gas from entering a structure by creating a negative pressure field below it. This technique is referred to as active soil depressurization, and it has been shown to reduce radon entry and soil moisture infiltration. The overall goal of the system is to suck up most the air from under the slab that is rising through the soil.

Depending on the stage of construction, size, age, radon levels, soil conditions under the slab, and general condition of the building, additional steps may be required to ensure the most effective radon remediation solution. 

The U.S. Environmental Protection Agency, scientific organizations, and consumer groups recognize Active Soil Depressurization (ASD) as the most effective method for reducing radon levels in homes and other buildings.

Principle of Operation:

To prevent radon gas from entering a building or structure, a negative pressure field is created below it.

Method of Installation:

One or more penetrations are made in the concrete slab and a small pit is created under each penetration. When there is no slab, a radon retardant vapor barrier is fastened over rock and dirt before creating the penetration(s). PVC vent pipe is connected to the penetration(s) and is routed unobtrusively (through plumbing chases, closets, or other unexposed areas) to the suction side of the radon mitigation fan.

PVC vent pipe is next connected to the pressure side of the fan and is lead through the roof using a standard roof flange and proper sealants. The radon gas is emitted safely above the roof. The PVC pipe will protrude slightly above the roof, and has the same look as a standard plumbing vent pipe.

The U.S. Environmental Protection Agency, scientific organizations, and consumer groups recognize Active Soil Depressurization (ASD) as the most effective method for reducing radon levels in homes and other buildings.

Principle of Operation:

To prevent radon gas from entering a building or structure, a negative pressure field is created below it.

Method of Installation:

One or more penetrations are made in the concrete slab and a small pit is created under each penetration. When there is no slab, a radon retardant vapor barrier is fastened over rock and dirt before creating the penetration(s). PVC vent pipe is attached to the penetration(s) and is lead unobtrusively to the suction side of the radon mitigation fan. Additional PVC vent pipe is next connected to the pressure side of the fan and lead up the sidewall of the home to discharge the radon gas safely above the roof. A weatherproof electrical connection is also provided for the fan.

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