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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. |
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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. |
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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.
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Sub-slab
system constructed from the exterior of a completely finished
townhouse basement. |
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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. |
