How are heavier light fixtures or ceiling fans hung from the dome shell?
Install nylon threaded rods in the concrete seams as the dome shell is assembled. The threaded rod extends into the interior of the dome shell and is used to hang the light fixture or ceiling fan. To install the electrical wiring to the light fixture or fan cut a groove through the shell wallboard and the E.P.S. insulation, insert the wire and fill the groove with spray expanding foam, then joint compound and tape to finish. Q: How are plumbing vent pipes installed in the dome shell? A: The plumbing vent pipes can be routed sideways through the interior framing and can sometimes be joined together before they exit our dome. Where the vent pipe is to exit through the dome shell, all you need do is make a hole through the thin panel concrete in the appropriate location, extend the pipe through, concrete back up against the pipe, caulk and paint. The plumbing vent pipes are sealed to our concrete dome with caulk, e.g. urethane or butyl rubber. A plumbing boot like the type used on shingle
