This Old House season 42 episode 24
Episode title: Dorchester Triple Decker | Roof University
Kevin O'Connor joins the apprentices as they take a two-day roofing class. Then they apply their new skills on a roof at a Silva Brothers jobsite. Back at the project, a new vinyl floor goes in the top floor kitchen. Mauro Henrique touches up the first floor saved cabinets. Tom and Charlie Silva install French doors to divide the living room from a new bedroom.
