Exterior Installation Exterior system installation with piping routed around the eave. Exterior installation with piping through eave Exterior installation with optional shroud Shroud Options Radon system prior to shroud being installed and painted. Radon fan shroud and lower section of piping is painted to match trim color on the home. Shroud Painted Black Interior system components U tube, fan operational U tube shows no differential pressure, fan is not operating. B2 – sump coverSealed sump lid installation with viewing window, radon piping and sump pump drain piping. A hole is drilled through the basement floor for the radon system installation. A hole has been drilled through the floor for the installation of system piping. Piping in installed in the basement Radon fan in the attic above a finished area of the home. Installation of the pipe flashing on the roof Completed radon system piping through the roof.