General contractor Tom Silva helps install basecap molding on top of a curved skirtboard that winds along a staircase. Then master electrician Allen Gallant shows host Kevin O'Connor how to purchase electrical wire by the foot. Back in the loft, Tom,... (more) Kevin, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook try to identify unfamiliar objects in the "What is it?" segment. Then Roger visits a family and shows them how to collect sap from a maple tree and turn it into maple syrup.