Installing a whole-house water filter; repairing rubber roof

Plumbing and heating expert Richard Trethewey makes a HOUR call in Indianapolis to help a pair of homeowners install a whole-house water filter. Then, Richard, host Kevin O'Connor, general contractor Tom Silva and landscape contractor Roger Cook ask, "What is it?" Tom helps a homeowner repair a hole in his rubber roof. Later, Richard shares a viewer tip for cutting PVC pipe without a saw.