Ask This Old House Season 3 Episode 20 Leveling a Floor; What Is It?; Fixing a Leaky Water Shut-off Valve; Air Compressors

In Ask This Old House season 3 episode 20, the team tackles a range of home improvement tasks. First up, they address the common problem of a sloping or uneven floor. Host Kevin O'Connor visits a homeowner who wants to level out her kitchen floor, and shows the steps required to achieve this. Along the way, he explains the importance of finding the root cause of any floor slope before attempting to fix it.

Next, the team takes on a more technical challenge as they answer the question "what is it?" – specifically, what is the purpose of the small metal box attached to the gas meter on the outside of a home? Tom Silva offers a clear explanation of this mystery box and its crucial role in maintaining gas safety in the home.

Moving on to a plumbing issue, the Ask This Old House crew comes to the aid of a homeowner dealing with a leaky water shut-off valve. Richard Trethewey demonstrates the simple steps involved in replacing this valve with a new one, and emphasizes the importance of proper tightening techniques to avoid future leaks.

Finally, the episode concludes with a visit to a professional contractor who uses air compressors every day on the job. Kevin learns about the different types of compressors and what tasks they are best suited for, as well as safety tips for operation and maintenance.

Throughout the episode, the team provides practical advice and step-by-step demonstrations to help homeowners tackle common DIY challenges. With their combined expertise in home improvement, plumbing, and contracting, they offer valuable insights and solutions that make it easy to tackle any household project with confidence.