Exterior fan installation with housing.

Fan installation in housing.

Exhaust pipe installed through soffitt.

Proper Radon labels.

Typical U-Tube on stack.

Typical U-Tube on stack.

Typical roof penetration with boot & bug screen.

Sealed somp pit with warning label.

Complicated system servicing different home areas.

Ball valve to control air flow in multi-level home.

Suction pit in finished area of laundry room.

Painted exterior components with suction from multiple areas.

Crawl space depressurization.

Ball valve damper control for sub-membrane depressurization system.

Clear plexi-glass pit cover.

Insulated pipe with attic fan installation.





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