Late Night Asks This Old House

The home improvement experts from Ask This Old House traveled to the NBC studios in New York in January to tape a segment for Late Night with Jimmy Fallon. Host Kevin O'Connor, general contractor Tom Silva, heating and plumbing expert Richard Trethewey and landscape contractor Roger Cook taught Jimmy about patching holes in drywall, soldering a copper pipe and fitting together, and using a jackhammer. Watch the clip.