A Typical Radon Mitigation

Radon Mitigation Mitigation begins with a free home consultation by a C-NRPP certified professional to determine the best radon reduction system to install. Radon entry points are located and sealed.

A location is determined for coring a 5″ hole in basement slab for diagnostic testing.

A flow meter station

A flow meter station

A flow meter station (PVC pipe with diaphragm), attached to shop vac and micromanometer, is inserted in floor hole.

A field extension test is performed to determine fan size required for the sub-slab depressurization system.

field extension test

Two 5 gallon buckets of gravel are then dug out of cored hole to create a sump pit.

A hole is drilled through the exterior wall for radon fan exhaust pipe.

A hole is drilled through the exterior wall for radon fan exhaust pipe.

PVC piping with radon fan is installed and properly labelled with U-tube manometer indicating system is operational.

PVC piping with radon fan is installed and properly labelled with U-tube manometer indicating system is operational.

PVC piping with radon fan

Heat recovery ventilation systems are cleaned and balanced by certified residential mechanical ventilation technicians to insure home is receiving optimum fresh air supply.

A short-term 72 hour radon test is started 12 hours after the sub-slab depressurization system is operational to confirm radon level has been successfully reduced below Health Canada’s 200 Bq/m3 Action Level. A post-mitigation report is given to client to discuss installation details and radon test results.

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