Up in the loft, general contractor Tom Silva shows host Kevin O’Connor how to repair damaged laminate countertops. Then, landscape contractor Roger Cook helps a homeowner rebuild a brick walkway. Then Tom, Kevin, Roger, and plumbing and heating expert Richard Trethewey ask, "What is it?" Then Richard shows Kevin several different types of filters for forced-air heating and cooling systems.
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Ready to Watch Ask This Old House, Season 7, Episode 6?