APPLICABILITY:
Any house with a concrete slab floor on the
lowest level (basement or first floor) where the
primary Radon source is below the house
(virtually all houses with elevated Radon).
PRINCIPLE OF OPERATION:
A negative pressure field is created below the
slab preventing the entry of Radon Gas into the
house.
SYSTEM DESCRIPTION:
One or more penetrations are made in the slab
and a small pit is created beneath each
penetration. PVC duct pipe is connected to the
slab penetration/s and is routed to the suction
side of the Fan. PVC pipe is then connected to
the pressure side of the Fan and is routed up
the sidewall of the house to discharge the Radon
Gas safely above the roofline. A weatherproof
electrical connection with switch is provided for
the fan.
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