I
- Rain caps can divert radon down towards windows.
- Rain caps offer little advantage, and can restrict air flow.
- Rodent screen.
FAN AND PIPING DESIGN CONSIDERATIONS
Discharging Straight up Reduces Re-etrainment
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Fan Location Criteria: In Locations Where Leakage Will Not Enter Home
within the conditioned
space of home
within an occupied
attic
within a crawl
space beneath home
Unnoccupied attic
Outside of home
In garage, unless there is occupied space above it
Copyright 2000, Great Lakes Center for Occupational & Environmental Safety & Health, School of Public Health, University of Illinois at Chicago