That's the stuff. I'm not sure if the 2-tube emergency fix is the same product, but my friend in the boat business keeps the epoxy putty on hand all the time. He swears by it for all sorts of repairs.
jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!