Kevin OConnor gives a tour. Plumbing contractor Joel Schaperjahn shares with Richard Trethewey how he makes use of coffered ceilings to run plumbing pipes. General contractor Matt Whitbeck talks stair stringers with Tom Silva. A drain plain is created for the porch and a diffusion vent is installed on the roof. Homeowner Evan walks Jenn Nawada through the construction of the DIY ice rink.