Radon Information

EPA Trained and Tested

Slab Systems


Bank of America Job Mt. Airy, Maryland	Sub-slab depressurization system vented through overhang and flashing on roof	High-volume fan for large basement sub-slab depressurization system.

Typical 4" vent pipe in large basement for sub-slab depressurization system.	Radon vent pipe located in laundry room of completely finished basement.	Vent pipes for sub-slab depressurization systems can often be routed from basement through a closet to a fan mounted in the attic and vented out the back of the roof through flashing.

Gravel-under-slab system vented through overhang and flashing on roof.	Unobtrusively located system on back of house near AC unit, with schedule 40 PVC vent pipe passing through overhang with flashing on roof.	Sub-slab system constructed from the exterior of a completely finished townhouse basement.

This system has two suction points: one in basement slab and one in upper level slab-on-grade. The system is located in what will be a renovated storage closet.	Same system showing fan located in storage shed behind house.	The full view of the exterior of this system. Note that vent pipe passes through overhang and flashing on roof.

For more information on the best method to mitigate radon in your home or
if you are interested in a free estimate,
please contact Radon Abatement Services at info@radonrepair.com

NEHA Certified Radon Mitigation Provider #101103RMT and #101105RMT
NRSB Certified Radon Mitigation Provider #1G0006