Ask This Old House | Lightning, Sink Filter

Season 13 Episode 21 | 23m 43s | Video has closed captioning.

Kevin and Roger meet with Meteorologist Jim Cantore to discuss Jim’s biggest weather fear- lightning. Roger heads to Orlando to see a lightning protection system installed. Richard helps a homeowner install a reverse osmosis filter for drinking water. And the guys ask, “What Is It?”

Aired: 04/16/15