Ask TOH | Tool Box, Smoke Detector, Valve

Coming up on this episode of Ask This Old House Tom teaches a young fan how to build a tool box; in Charlotte, Scott installs smart smoke and carbon monoxide detectors; Richard diagnoses a leaking temperature and pressure relief valve and installs an expansion tank to fix it.   Generation Next | Building a First Tool Box Tom teaches a young fan how to build her first tool box. Where to find it?