Mark McCullough rebuilds the front wall while Tommy and Kevin visit the 2005 Cambridge project. On Ask This Old House, Mark restores a fireplace, Richard and Ross discuss thermostats, and Tom hangs a swing.

Mark McCullough rebuilds the front wall while Tommy and Kevin visit the 2005 Cambridge project. On Ask This Old House, Mark restores a fireplace, Richard and Ross discuss thermostats, and Tom hangs a swing.

Mark Ferrante lays large format tile in the living room while Kevin and Richard visit the Key West project. On Ask This Old House, Richard diagnoses and repairs an HVAC system, Mark builds a fire and Mauro stains a deck.

Mark Ferrante lays large format tile in the living room while Kevin and Richard visit the Key West project. On Ask This Old House, Richard diagnoses and repairs an HVAC system, Mark builds a fire and Mauro stains a deck.

Finishing touches abound: closet systems, modern baseboards, and a linear shower wall drain are all installed. On Ask This Old House, Mauro stains a deck, Mark builds a fire, and Ross learns about automatic water shutoff valves.

Finishing touches abound: closet systems, modern baseboards, and a linear shower wall drain are all installed. On Ask This Old House, Mauro stains a deck, Mark builds a fire, and Ross learns about automatic water shutoff valves.

The guys tour the finished home and review all the features that transformed the space into a modern marvel. On Ask This Old House, Jenn plants Victorian flowers, Mauro matches paint colors, Tom carves serving utensils.

The guys tour the finished home and review all the features that transformed the space into a modern marvel. On Ask This Old House, Jenn plants Victorian flowers, Mauro matches paint colors, Tom carves serving utensils.