Replacing a "hollow-core" door; kitchen faucets and tips on repairing them.

Out on a HOUSE call, general contractor Tom Silva helps a homeowner replace an interior "hollow-core" door with a heavier, more attractive "solid-core" door. In the loft, Tom and host Kevin O'Connor cut several doors in half to reveal how different types of doors are constructed. On the road, plumbing and heating expert Richard Trethewey repairs a leaky kitchen faucet for a puzzled homeowner in Philadelphia. Back in the loft, Richard shows Kevin several types of kitchen faucets and offers a few tips on repairing them.