Roger Cook helps prune hemlock trees.  The master electrician installs a bath fan.  Kevin O'Connor revisits a green building project.  Tom Silva shows Kevin how he's roofing the new addition.

Tom Silva replicates exterior trim using cellular PVC.  Norm Abram installs an exterior door.  Architect Paul Rovinelli takes Kevin O'Connor on a tour.  Tom gets help removing bookshelves and a wall.