Does Flex Paste Really Work as Advertised?

The Flex Paste commercial is everywhere, and it sure seems like a miracle product that can seal up just about anything, from a wine barrel gushing with water, to a boat constructed with chicken wire. But does it live up to the hype? Inside Edition decided to put the claims to the test, with the help of students at the Grove School of Engineering in New York City and chemical engineering professor Raymond Tu. It took the students three days to construct a boat like that seen in the ad.