Removing asbestos from exposed ductwork; a plumber works on dormant pipes; Jenn visits a community garden; architectural historian Arthur Krim talks about three-deckers; Tom and Charlie pull off the melted vinyl siding.

Jenn Nawada brings together a team to create an urban patio.  Heath Eastman rewires part of the house with intact plaster ceiling.  Charlie and Tom Silva hang a new fire rated door.  Richard Trethewey explains how a new tub is fitted in.  Kevin and Tom install a replacement window.