Ask This Old House

Roger Cook helps a homeowner repair portions of his lawn that have been damaged by snow mold, which is a fungal disease that can occur in winter from excess moisture and fertilizer. Tom Silva shows Kevin O'Connor how to build a simple utility cart out of plywood. Richard Trethewey helps a homeowner fix a clogged kitchen sink drain by replacing the PVC fitting with a metal one, which did not have a diverter.