E19 | Flickering Lights, Brick Stairs | Ask This Old House

Jenn Nawada travels to Orlando, Florida to help a homeowner upgrade his inefficient, malfunctioning irrigation system with a new, smart system; Heath Eastman demonstrates a variety of ways to troubleshoot and repair flickering lights; Mark McCullough helps a homeowner identify the culprit behind her cracking, front brick steps, and then repoints them using the correct material.